diff --git a/.vs/deemon.vcxproj b/.vs/deemon.vcxproj
index 4a0449f44..f7c755140 100644
--- a/.vs/deemon.vcxproj
+++ b/.vs/deemon.vcxproj
@@ -244,6 +244,8 @@
 		<ClInclude Include="..\src\deemon\objects\seq\bsearch-impl.c.inl" />
 		<ClInclude Include="..\src\deemon\objects\seq\bsearch.c.inl" />
 		<ClInclude Include="..\src\deemon\objects\seq\byattr.h" />
+		<ClInclude Include="..\src\deemon\objects\seq\default-compare-impl.c.inl" />
+		<ClInclude Include="..\src\deemon\objects\seq\default-compare.h" />
 		<ClInclude Include="..\src\deemon\objects\seq\default-iterators.h" />
 		<ClInclude Include="..\src\deemon\objects\seq\default-sequences.h" />
 		<ClInclude Include="..\src\deemon\objects\seq\each-fastpass.c.inl" />
@@ -419,6 +421,7 @@
 		<ClCompile Include="..\src\deemon\objects\seq\byattr.c" />
 		<ClCompile Include="..\src\deemon\objects\seq\combinations.c" />
 		<ClCompile Include="..\src\deemon\objects\seq\concat.c" />
+		<ClCompile Include="..\src\deemon\objects\seq\default-compare.c" />
 		<ClCompile Include="..\src\deemon\objects\seq\default-iterators.c" />
 		<ClCompile Include="..\src\deemon\objects\seq\default-sequences.c" />
 		<ClCompile Include="..\src\deemon\objects\seq\each.c" />
diff --git a/.vs/deemon.vcxproj.filters b/.vs/deemon.vcxproj.filters
index 490d692a4..9026bebf3 100644
--- a/.vs/deemon.vcxproj.filters
+++ b/.vs/deemon.vcxproj.filters
@@ -705,6 +705,12 @@
 		<ClInclude Include="..\src\deemon\objects\seq\byattr.h">
 			<Filter>src\objects\seq</Filter>
 		</ClInclude>
+		<ClInclude Include="..\src\deemon\objects\seq\default-compare-impl.c.inl">
+			<Filter>src\objects\seq</Filter>
+		</ClInclude>
+		<ClInclude Include="..\src\deemon\objects\seq\default-compare.h">
+			<Filter>src\objects\seq</Filter>
+		</ClInclude>
 		<ClInclude Include="..\src\deemon\objects\seq\default-iterators.h">
 			<Filter>src\objects\seq</Filter>
 		</ClInclude>
@@ -1226,6 +1232,9 @@
 		<ClCompile Include="..\src\deemon\objects\seq\concat.c">
 			<Filter>src\objects\seq</Filter>
 		</ClCompile>
+		<ClCompile Include="..\src\deemon\objects\seq\default-compare.c">
+			<Filter>src\objects\seq</Filter>
+		</ClCompile>
 		<ClCompile Include="..\src\deemon\objects\seq\default-iterators.c">
 			<Filter>src\objects\seq</Filter>
 		</ClCompile>
diff --git a/cpp.hint b/cpp.hint
index 8cd908722..08deb791d 100644
--- a/cpp.hint
+++ b/cpp.hint
@@ -1642,3 +1642,6 @@
 #define _memval_foreach_obj(...) for(;;)
 #define memval_foreach_obj(...) for(;;)
 #define memval_foreach_obj_end
+
+#define LOCAL_seq_compare__(x) seq_compare__##x
+#define LOCAL_seq_docompare__(x) seq_docompare__##x
diff --git a/include/deemon/class.h b/include/deemon/class.h
index bbaf7432a..ed85fad88 100644
--- a/include/deemon/class.h
+++ b/include/deemon/class.h
@@ -1372,6 +1372,8 @@ INTDEF WUNUSED NONNULL((1, 2)) dssize_t DCALL instance_enumattr(DeeTypeObject *t
 	 : (tp_ge) == &instance_builtin_ge                                  \
 	   ? instance_builtin_tge(tp_self, self, other)                     \
 	   : (*(tp_ge))(self, other))
+#define DeeType_invoke_cmp_tp_compare_eq_NODEFAULT(tp_self, tp_compare_eq, self, other) (*(tp_compare_eq))(self, other)
+#define DeeType_invoke_cmp_tp_compare_NODEFAULT(tp_self, tp_compare, self, other)       (*(tp_compare))(self, other)
 #define DeeType_invoke_seq_tp_iter_NODEFAULT(tp_self, tp_iter, self) \
 	((tp_iter) == &instance_iter                                     \
 	 ? instance_titer(tp_self, self)                                 \
@@ -1534,12 +1536,104 @@ INTDEF WUNUSED NONNULL((1)) int DCALL DeeObject_DefaultDecWithInplaceSub(DREF De
 INTDEF WUNUSED NONNULL((1)) int DCALL DeeObject_DefaultDecWithSub(DREF DeeObject **p_self);
 
 /* Default wrappers for implementing ==/!=/</<=/>/>= using their logical inverse. */
+
+/* tp_hash */
+INTDEF WUNUSED NONNULL((1)) Dee_hash_t DCALL DeeSeq_DefaultHashWithSizeAndGetItemIndexFast(DeeObject *self);
+INTDEF WUNUSED NONNULL((1)) Dee_hash_t DCALL DeeSeq_DefaultHashWithForeach(DeeObject *self);
+INTDEF WUNUSED NONNULL((1)) Dee_hash_t DCALL DeeSeq_DefaultHashWithSizeAndTryGetItemIndex(DeeObject *self);
+INTDEF WUNUSED NONNULL((1)) Dee_hash_t DCALL DeeSeq_DefaultHashWithSizeAndGetItemIndex(DeeObject *self);
+INTDEF WUNUSED NONNULL((1)) Dee_hash_t DCALL DeeSeq_DefaultHashWithSizeObAndGetItem(DeeObject *self);
+INTDEF WUNUSED NONNULL((1)) Dee_hash_t DCALL DeeSeq_DefaultHashWithForeachDefault(DeeObject *self);
+INTDEF WUNUSED NONNULL((1)) Dee_hash_t DCALL DeeSet_DefaultHashWithForeachDefault(DeeObject *self);
+INTDEF WUNUSED NONNULL((1)) Dee_hash_t DCALL DeeMap_DefaultHashWithForeachPairDefault(DeeObject *self);
+
+/* tp_eq */
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_DefaultEqWithCompareEq(DeeObject *self, DeeObject *other);
 INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_DefaultEqWithNe(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_DefaultEqWithLoAndGr(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_DefaultEqWithLeAndGe(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_DefaultEqWithCompareEqDefault(DeeObject *self, DeeObject *other);
+
+/* tp_ne */
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_DefaultNeWithCompareEq(DeeObject *self, DeeObject *other);
 INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_DefaultNeWithEq(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_DefaultNeWithLoAndGr(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_DefaultNeWithLeAndGe(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_DefaultNeWithCompareEqDefault(DeeObject *self, DeeObject *other);
+
+/* tp_lo */
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_DefaultLoWithCompare(DeeObject *self, DeeObject *other);
 INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_DefaultLoWithGe(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_DefaultLoWithCompareDefault(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeSet_DefaultLoWithForeachDefault(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeMap_DefaultLoWithForeachPairDefault(DeeObject *self, DeeObject *other);
+
+/* tp_le */
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_DefaultLeWithCompare(DeeObject *self, DeeObject *other);
 INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_DefaultLeWithGr(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_DefaultLeWithCompareDefault(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeSet_DefaultLeWithForeachDefault(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeMap_DefaultLeWithForeachPairDefault(DeeObject *self, DeeObject *other);
+
+/* tp_gr */
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_DefaultGrWithCompare(DeeObject *self, DeeObject *other);
 INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_DefaultGrWithLe(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_DefaultGrWithCompareDefault(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeSet_DefaultGrWithForeachDefault(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeMap_DefaultGrWithForeachPairDefault(DeeObject *self, DeeObject *other);
+
+/* tp_ge */
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_DefaultGeWithCompare(DeeObject *self, DeeObject *other);
 INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_DefaultGeWithLo(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_DefaultGeWithCompareDefault(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeSet_DefaultGeWithForeachDefault(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeMap_DefaultGeWithForeachPairDefault(DeeObject *self, DeeObject *other);
+
+/* tp_compare_eq */
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_DefaultCompareEqWithEq(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_DefaultCompareEqWithNe(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_DefaultCompareEqWithLoAndGr(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_DefaultCompareEqWithLeAndGe(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeSeq_DefaultCompareEqWithForeachDefault(DeeObject *self, DeeObject *other); /* Also use when non-Default would be usable */
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeSeq_DefaultCompareEqWithSizeAndGetItemIndexFast(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeSeq_DefaultCompareEqWithSizeAndTryGetItemIndex(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeSeq_DefaultCompareEqWithSizeAndGetItemIndex(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeSeq_DefaultCompareEqWithSizeObAndGetItem(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeSet_DefaultCompareEqWithForeachDefault(DeeObject *self, DeeObject *other); /* Also use when non-Default would be usable */
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeMap_DefaultCompareEqWithForeachPairDefault(DeeObject *self, DeeObject *other); /* Also use when non-Default would be usable */
+
+/* tp_compare */
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_DefaultCompareWithEqAndLo(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_DefaultCompareWithEqAndLe(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_DefaultCompareWithEqAndGr(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_DefaultCompareWithEqAndGe(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_DefaultCompareWithNeAndLo(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_DefaultCompareWithNeAndLe(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_DefaultCompareWithNeAndGr(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_DefaultCompareWithNeAndGe(DeeObject *self, DeeObject *other);
+#if 0
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_DefaultCompareWithLoAndGr(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_DefaultCompareWithLeAndGe(DeeObject *self, DeeObject *other);
+#endif
+#define DeeObject_DefaultCompareWithLoAndGr  DeeObject_DefaultCompareEqWithLoAndGr
+#define DeeObject_DefaultCompareWithLeAndGe  DeeObject_DefaultCompareEqWithLeAndGe
+#define DeeObject_TDefaultCompareWithLoAndGr DeeObject_TDefaultCompareEqWithLoAndGr
+#define DeeObject_TDefaultCompareWithLeAndGe DeeObject_TDefaultCompareEqWithLeAndGe
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeSeq_DefaultCompareWithSizeAndGetItemIndexFast(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeSeq_DefaultCompareWithSizeAndTryGetItemIndex(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeSeq_DefaultCompareWithSizeAndGetItemIndex(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeSeq_DefaultCompareWithSizeObAndGetItem(DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeSeq_DefaultCompareWithForeachDefault(DeeObject *self, DeeObject *other); /* Also use when non-Default would be usable */
+
+
+INTDEF struct type_cmp DeeSeq_DefaultCmpWithSizeAndGetItemIndexFast;
+INTDEF struct type_cmp DeeSeq_DefaultCmpWithSizeAndTryGetItemIndex;
+INTDEF struct type_cmp DeeSeq_DefaultCmpWithSizeAndGetItemIndex;
+INTDEF struct type_cmp DeeSeq_DefaultCmpWithSizeObAndGetItem;
+INTDEF struct type_cmp DeeSeq_DefaultCmpWithForeachDefault;
+INTDEF struct type_cmp DeeSet_DefaultCmpWithForeachDefault;
+INTDEF struct type_cmp DeeMap_DefaultCmpWithForeachPairDefault;
+
 
 /* Default wrappers for implementing sequence operators. */
 
@@ -1547,7 +1641,7 @@ INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_DefaultGeWithLo(D
 INTDEF WUNUSED NONNULL((1)) DREF DeeObject *DCALL DeeObject_DefaultIterWithForeach(DeeObject *__restrict self);
 INTDEF WUNUSED NONNULL((1)) DREF DeeObject *DCALL DeeObject_DefaultIterWithForeachPair(DeeObject *__restrict self);
 INTDEF WUNUSED NONNULL((1)) DREF DeeObject *DCALL DeeSeq_DefaultIterWithSizeAndGetItemIndexFast(DeeObject *__restrict self);
-INTDEF WUNUSED NONNULL((1)) DREF DeeObject *DCALL DeeSeq_DefaultIterWithTryGetItemIndexAndSize(DeeObject *__restrict self);
+INTDEF WUNUSED NONNULL((1)) DREF DeeObject *DCALL DeeSeq_DefaultIterWithSizeAndTryGetItemIndex(DeeObject *__restrict self);
 INTDEF WUNUSED NONNULL((1)) DREF DeeObject *DCALL DeeSeq_DefaultIterWithSizeAndGetItemIndex(DeeObject *__restrict self);
 INTDEF WUNUSED NONNULL((1)) DREF DeeObject *DCALL DeeSeq_DefaultIterWithGetItemIndex(DeeObject *__restrict self);
 INTDEF WUNUSED NONNULL((1)) DREF DeeObject *DCALL DeeSeq_DefaultIterWithSizeObAndGetItem(DeeObject *__restrict self);
@@ -1557,8 +1651,9 @@ INTDEF WUNUSED NONNULL((1)) DREF DeeObject *DCALL DeeSeq_DefaultIterWithGetItem(
 INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL DeeObject_DefaultForeachWithIter(DeeObject *__restrict self, Dee_foreach_t proc, void *arg);
 INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL DeeObject_DefaultForeachWithForeachPair(DeeObject *__restrict self, Dee_foreach_t proc, void *arg);
 INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL DeeSeq_DefaultForeachWithSizeAndGetItemIndexFast(DeeObject *__restrict self, Dee_foreach_t proc, void *arg);
-INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL DeeSeq_DefaultForeachWithTryGetItemIndexAndSize(DeeObject *__restrict self, Dee_foreach_t proc, void *arg);
+INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL DeeSeq_DefaultForeachWithSizeAndTryGetItemIndex(DeeObject *__restrict self, Dee_foreach_t proc, void *arg);
 INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL DeeSeq_DefaultForeachWithSizeAndGetItemIndex(DeeObject *__restrict self, Dee_foreach_t proc, void *arg);
+INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL DeeSeq_DefaultForeachWithSizeObAndGetItem(DeeObject *__restrict self, Dee_foreach_t proc, void *arg);
 INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL DeeSeq_DefaultForeachWithSizeDefaultAndGetItemIndexDefault(DeeObject *__restrict self, Dee_foreach_t proc, void *arg); /* May call other DEFAULT operators */
 INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL DeeSeq_DefaultForeachWithGetItemIndexDefault(DeeObject *__restrict self, Dee_foreach_t proc, void *arg);               /* May call other DEFAULT operators */
 
@@ -1612,8 +1707,8 @@ INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_DefaultGetItemWit
 INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_DefaultGetItemWithTryGetItemStringLenHash(DeeObject *self, DeeObject *index);
 INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeSeq_DefaultGetItemWithTryGetItemAndSizeOb(DeeObject *self, DeeObject *index);
 INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeSeq_DefaultGetItemWithTryGetItemAndSize(DeeObject *self, DeeObject *index);
-INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeSeq_DefaultGetItemWithTryGetItemIndexAndSizeOb(DeeObject *self, DeeObject *index);
-INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeSeq_DefaultGetItemWithTryGetItemIndexAndSize(DeeObject *self, DeeObject *index);
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeSeq_DefaultGetItemWithSizeAndTryGetItemIndexOb(DeeObject *self, DeeObject *index);
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeSeq_DefaultGetItemWithSizeAndTryGetItemIndex(DeeObject *self, DeeObject *index);
 INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeMap_DefaultGetItemWithForeachPair(DeeObject *__restrict self, DeeObject *index);
 INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeMap_DefaultGetItemWithForeachPairDefault(DeeObject *__restrict self, DeeObject *index); /* May call other DEFAULT operators */
 
@@ -1624,8 +1719,8 @@ INTDEF WUNUSED NONNULL((1)) DREF DeeObject *DCALL DeeObject_DefaultGetItemIndexW
 INTDEF WUNUSED NONNULL((1)) DREF DeeObject *DCALL DeeObject_DefaultGetItemIndexWithTryGetItem(DeeObject *__restrict self, size_t index);
 INTDEF WUNUSED NONNULL((1)) DREF DeeObject *DCALL DeeObject_DefaultGetItemIndexWithErrorRequiresString(DeeObject *__restrict self, size_t index);
 INTDEF WUNUSED NONNULL((1)) DREF DeeObject *DCALL DeeObject_DefaultGetItemIndexWithGetItemDefault(DeeObject *__restrict self, size_t index); /* May call other DEFAULT operators */
-INTDEF WUNUSED NONNULL((1)) DREF DeeObject *DCALL DeeSeq_DefaultGetItemIndexWithTryGetItemIndexAndSize(DeeObject *__restrict self, size_t index);
-INTDEF WUNUSED NONNULL((1)) DREF DeeObject *DCALL DeeSeq_DefaultGetItemIndexWithTryGetItemIndexAndSizeOb(DeeObject *__restrict self, size_t index);
+INTDEF WUNUSED NONNULL((1)) DREF DeeObject *DCALL DeeSeq_DefaultGetItemIndexWithSizeAndTryGetItemIndex(DeeObject *__restrict self, size_t index);
+INTDEF WUNUSED NONNULL((1)) DREF DeeObject *DCALL DeeSeq_DefaultGetItemIndexWithSizeAndTryGetItemIndexOb(DeeObject *__restrict self, size_t index);
 INTDEF WUNUSED NONNULL((1)) DREF DeeObject *DCALL DeeSeq_DefaultGetItemIndexWithTryGetItemAndSize(DeeObject *__restrict self, size_t index);
 INTDEF WUNUSED NONNULL((1)) DREF DeeObject *DCALL DeeSeq_DefaultGetItemIndexWithTryGetItemAndSizeOb(DeeObject *__restrict self, size_t index);
 INTDEF WUNUSED NONNULL((1)) DREF DeeObject *DCALL DeeSeq_DefaultGetItemIndexWithForeachDefault(DeeObject *__restrict self, size_t index);    /* May call other DEFAULT operators */
@@ -1754,7 +1849,7 @@ INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_DefaultBoundItemWithTryGetIte
 INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_DefaultBoundItemWithTryGetItemStringLenHashAndHasItemStringLenHash(DeeObject *self, DeeObject *index);
 INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_DefaultBoundItemWithTryGetItemStringHashAndHasItemStringHash(DeeObject *self, DeeObject *index);
 INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeSeq_DefaultBoundItemWithTryGetItemAndSizeOb(DeeObject *self, DeeObject *index);
-INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeSeq_DefaultBoundItemWithTryGetItemIndexAndSize(DeeObject *self, DeeObject *index);
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeSeq_DefaultBoundItemWithSizeAndTryGetItemIndex(DeeObject *self, DeeObject *index);
 INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_DefaultBoundItemWithTryGetItem(DeeObject *self, DeeObject *index);
 INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_DefaultBoundItemWithTryGetItemIndex(DeeObject *self, DeeObject *index);
 INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_DefaultBoundItemWithTryGetItemStringLenHash(DeeObject *self, DeeObject *index);
@@ -1772,7 +1867,7 @@ INTDEF WUNUSED NONNULL((1)) int DCALL DeeObject_DefaultBoundItemIndexWithGetItem
 INTDEF WUNUSED NONNULL((1)) int DCALL DeeObject_DefaultBoundItemIndexWithGetItemIndexDefault(DeeObject *__restrict self, size_t index); /* May call other DEFAULT operators */
 INTDEF WUNUSED NONNULL((1)) int DCALL DeeObject_DefaultBoundItemIndexWithTryGetItemIndexAndHasItemIndex(DeeObject *__restrict self, size_t index);
 INTDEF WUNUSED NONNULL((1)) int DCALL DeeObject_DefaultBoundItemIndexWithTryGetItemAndHasItem(DeeObject *__restrict self, size_t index);
-INTDEF WUNUSED NONNULL((1)) int DCALL DeeSeq_DefaultBoundItemIndexWithTryGetItemIndexAndSize(DeeObject *__restrict self, size_t index);
+INTDEF WUNUSED NONNULL((1)) int DCALL DeeSeq_DefaultBoundItemIndexWithSizeAndTryGetItemIndex(DeeObject *__restrict self, size_t index);
 INTDEF WUNUSED NONNULL((1)) int DCALL DeeSeq_DefaultBoundItemIndexWithTryGetItemAndSizeOb(DeeObject *__restrict self, size_t index);
 INTDEF WUNUSED NONNULL((1)) int DCALL DeeObject_DefaultBoundItemIndexWithErrorRequiresString(DeeObject *__restrict self, size_t index);
 INTDEF WUNUSED NONNULL((1)) int DCALL DeeMap_DefaultBoundItemIndexWithContains(DeeObject *__restrict self, size_t index);
@@ -2073,6 +2168,9 @@ function getOperatorPackage(name: string): string {
 		"Le" : "cmp",
 		"Gr" : "cmp",
 		"Ge" : "cmp",
+		"Hash" : "cmp",
+		"Compare" : "cmp",
+		"CompareEq" : "cmp",
 		"Iter" : "seq",
 		"Size" : "seq",
 		"SizeFast" : "seq",
@@ -2174,16 +2272,74 @@ INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_TDefaultDecWithInplaceAdd(Dee
 INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_TDefaultDecWithAdd(DeeTypeObject *tp_self, DREF DeeObject **p_self);
 INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_TDefaultDecWithInplaceSub(DeeTypeObject *tp_self, DREF DeeObject **p_self);
 INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_TDefaultDecWithSub(DeeTypeObject *tp_self, DREF DeeObject **p_self);
+INTDEF WUNUSED NONNULL((1, 2)) Dee_hash_t DCALL DeeSeq_TDefaultHashWithSizeAndGetItemIndexFast(DeeTypeObject *tp_self, DeeObject *self);
+INTDEF WUNUSED NONNULL((1, 2)) Dee_hash_t DCALL DeeSeq_TDefaultHashWithForeach(DeeTypeObject *tp_self, DeeObject *self);
+INTDEF WUNUSED NONNULL((1, 2)) Dee_hash_t DCALL DeeSeq_TDefaultHashWithSizeAndTryGetItemIndex(DeeTypeObject *tp_self, DeeObject *self);
+INTDEF WUNUSED NONNULL((1, 2)) Dee_hash_t DCALL DeeSeq_TDefaultHashWithSizeAndGetItemIndex(DeeTypeObject *tp_self, DeeObject *self);
+INTDEF WUNUSED NONNULL((1, 2)) Dee_hash_t DCALL DeeSeq_TDefaultHashWithSizeObAndGetItem(DeeTypeObject *tp_self, DeeObject *self);
+INTDEF WUNUSED NONNULL((1, 2)) Dee_hash_t DCALL DeeSeq_TDefaultHashWithForeachDefault(DeeTypeObject *tp_self, DeeObject *self);
+INTDEF WUNUSED NONNULL((1, 2)) Dee_hash_t DCALL DeeSet_TDefaultHashWithForeachDefault(DeeTypeObject *tp_self, DeeObject *self);
+INTDEF WUNUSED NONNULL((1, 2)) Dee_hash_t DCALL DeeMap_TDefaultHashWithForeachPairDefault(DeeTypeObject *tp_self, DeeObject *self);
+INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeObject_TDefaultEqWithCompareEq(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
 INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeObject_TDefaultEqWithNe(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeObject_TDefaultEqWithLoAndGr(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeObject_TDefaultEqWithLeAndGe(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeObject_TDefaultEqWithCompareEqDefault(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeObject_TDefaultNeWithCompareEq(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
 INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeObject_TDefaultNeWithEq(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeObject_TDefaultNeWithLoAndGr(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeObject_TDefaultNeWithLeAndGe(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeObject_TDefaultNeWithCompareEqDefault(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeObject_TDefaultLoWithCompare(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
 INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeObject_TDefaultLoWithGe(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeObject_TDefaultLoWithCompareDefault(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeSet_TDefaultLoWithForeachDefault(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeMap_TDefaultLoWithForeachPairDefault(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeObject_TDefaultLeWithCompare(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
 INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeObject_TDefaultLeWithGr(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeObject_TDefaultLeWithCompareDefault(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeSet_TDefaultLeWithForeachDefault(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeMap_TDefaultLeWithForeachPairDefault(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeObject_TDefaultGrWithCompare(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
 INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeObject_TDefaultGrWithLe(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeObject_TDefaultGrWithCompareDefault(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeSet_TDefaultGrWithForeachDefault(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeMap_TDefaultGrWithForeachPairDefault(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeObject_TDefaultGeWithCompare(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
 INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeObject_TDefaultGeWithLo(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeObject_TDefaultGeWithCompareDefault(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeSet_TDefaultGeWithForeachDefault(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeMap_TDefaultGeWithForeachPairDefault(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeObject_TDefaultCompareEqWithEq(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeObject_TDefaultCompareEqWithNe(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeObject_TDefaultCompareEqWithLoAndGr(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeObject_TDefaultCompareEqWithLeAndGe(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeSeq_TDefaultCompareEqWithForeachDefault(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeSeq_TDefaultCompareEqWithSizeAndGetItemIndexFast(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeSeq_TDefaultCompareEqWithSizeAndTryGetItemIndex(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeSeq_TDefaultCompareEqWithSizeAndGetItemIndex(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeSeq_TDefaultCompareEqWithSizeObAndGetItem(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeSet_TDefaultCompareEqWithForeachDefault(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeMap_TDefaultCompareEqWithForeachPairDefault(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeObject_TDefaultCompareWithEqAndLo(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeObject_TDefaultCompareWithEqAndLe(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeObject_TDefaultCompareWithEqAndGr(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeObject_TDefaultCompareWithEqAndGe(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeObject_TDefaultCompareWithNeAndLo(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeObject_TDefaultCompareWithNeAndLe(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeObject_TDefaultCompareWithNeAndGr(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeObject_TDefaultCompareWithNeAndGe(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeObject_TDefaultCompareWithLoAndGr(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeObject_TDefaultCompareWithLeAndGe(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeSeq_TDefaultCompareWithSizeAndGetItemIndexFast(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeSeq_TDefaultCompareWithSizeAndTryGetItemIndex(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeSeq_TDefaultCompareWithSizeAndGetItemIndex(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeSeq_TDefaultCompareWithSizeObAndGetItem(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
+INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeSeq_TDefaultCompareWithForeachDefault(DeeTypeObject *tp_self, DeeObject *self, DeeObject *other);
 INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_TDefaultIterWithForeach(DeeTypeObject *tp_self, DeeObject *self);
 INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_TDefaultIterWithForeachPair(DeeTypeObject *tp_self, DeeObject *self);
 INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeSeq_TDefaultIterWithSizeAndGetItemIndexFast(DeeTypeObject *tp_self, DeeObject *self);
-INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeSeq_TDefaultIterWithTryGetItemIndexAndSize(DeeTypeObject *tp_self, DeeObject *self);
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeSeq_TDefaultIterWithSizeAndTryGetItemIndex(DeeTypeObject *tp_self, DeeObject *self);
 INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeSeq_TDefaultIterWithSizeAndGetItemIndex(DeeTypeObject *tp_self, DeeObject *self);
 INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeSeq_TDefaultIterWithGetItemIndex(DeeTypeObject *tp_self, DeeObject *self);
 INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeSeq_TDefaultIterWithSizeObAndGetItem(DeeTypeObject *tp_self, DeeObject *self);
@@ -2191,8 +2347,9 @@ INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeSeq_TDefaultIterWithGetI
 INTDEF WUNUSED NONNULL((1, 2, 3)) Dee_ssize_t DCALL DeeObject_TDefaultForeachWithIter(DeeTypeObject *tp_self, DeeObject *self, Dee_foreach_t proc, void *arg);
 INTDEF WUNUSED NONNULL((1, 2, 3)) Dee_ssize_t DCALL DeeObject_TDefaultForeachWithForeachPair(DeeTypeObject *tp_self, DeeObject *self, Dee_foreach_t proc, void *arg);
 INTDEF WUNUSED NONNULL((1, 2, 3)) Dee_ssize_t DCALL DeeSeq_TDefaultForeachWithSizeAndGetItemIndexFast(DeeTypeObject *tp_self, DeeObject *self, Dee_foreach_t proc, void *arg);
-INTDEF WUNUSED NONNULL((1, 2, 3)) Dee_ssize_t DCALL DeeSeq_TDefaultForeachWithTryGetItemIndexAndSize(DeeTypeObject *tp_self, DeeObject *self, Dee_foreach_t proc, void *arg);
+INTDEF WUNUSED NONNULL((1, 2, 3)) Dee_ssize_t DCALL DeeSeq_TDefaultForeachWithSizeAndTryGetItemIndex(DeeTypeObject *tp_self, DeeObject *self, Dee_foreach_t proc, void *arg);
 INTDEF WUNUSED NONNULL((1, 2, 3)) Dee_ssize_t DCALL DeeSeq_TDefaultForeachWithSizeAndGetItemIndex(DeeTypeObject *tp_self, DeeObject *self, Dee_foreach_t proc, void *arg);
+INTDEF WUNUSED NONNULL((1, 2, 3)) Dee_ssize_t DCALL DeeSeq_TDefaultForeachWithSizeObAndGetItem(DeeTypeObject *tp_self, DeeObject *self, Dee_foreach_t proc, void *arg);
 INTDEF WUNUSED NONNULL((1, 2, 3)) Dee_ssize_t DCALL DeeSeq_TDefaultForeachWithSizeDefaultAndGetItemIndexDefault(DeeTypeObject *tp_self, DeeObject *self, Dee_foreach_t proc, void *arg);
 INTDEF WUNUSED NONNULL((1, 2, 3)) Dee_ssize_t DCALL DeeSeq_TDefaultForeachWithGetItemIndexDefault(DeeTypeObject *tp_self, DeeObject *self, Dee_foreach_t proc, void *arg);
 INTDEF WUNUSED NONNULL((1, 2, 3)) Dee_ssize_t DCALL DeeObject_TDefaultForeachPairWithForeach(DeeTypeObject *tp_self, DeeObject *self, Dee_foreach_pair_t proc, void *arg);
@@ -2234,8 +2391,8 @@ INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeObject_TDefaultGetIte
 INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeObject_TDefaultGetItemWithTryGetItemStringLenHash(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index);
 INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeSeq_TDefaultGetItemWithTryGetItemAndSizeOb(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index);
 INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeSeq_TDefaultGetItemWithTryGetItemAndSize(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index);
-INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeSeq_TDefaultGetItemWithTryGetItemIndexAndSizeOb(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index);
-INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeSeq_TDefaultGetItemWithTryGetItemIndexAndSize(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index);
+INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeSeq_TDefaultGetItemWithSizeAndTryGetItemIndexOb(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index);
+INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeSeq_TDefaultGetItemWithSizeAndTryGetItemIndex(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index);
 INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeMap_TDefaultGetItemWithForeachPair(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index);
 INTDEF WUNUSED NONNULL((1, 2, 3)) DREF DeeObject *DCALL DeeMap_TDefaultGetItemWithForeachPairDefault(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index);
 INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_TDefaultGetItemIndexWithSizeAndGetItemIndexFast(DeeTypeObject *tp_self, DeeObject *self, size_t index);
@@ -2244,8 +2401,8 @@ INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_TDefaultGetItemIn
 INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_TDefaultGetItemIndexWithTryGetItem(DeeTypeObject *tp_self, DeeObject *self, size_t index);
 INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_TDefaultGetItemIndexWithErrorRequiresString(DeeTypeObject *tp_self, DeeObject *self, size_t index);
 INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeObject_TDefaultGetItemIndexWithGetItemDefault(DeeTypeObject *tp_self, DeeObject *self, size_t index);
-INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeSeq_TDefaultGetItemIndexWithTryGetItemIndexAndSize(DeeTypeObject *tp_self, DeeObject *self, size_t index);
-INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeSeq_TDefaultGetItemIndexWithTryGetItemIndexAndSizeOb(DeeTypeObject *tp_self, DeeObject *self, size_t index);
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeSeq_TDefaultGetItemIndexWithSizeAndTryGetItemIndex(DeeTypeObject *tp_self, DeeObject *self, size_t index);
+INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeSeq_TDefaultGetItemIndexWithSizeAndTryGetItemIndexOb(DeeTypeObject *tp_self, DeeObject *self, size_t index);
 INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeSeq_TDefaultGetItemIndexWithTryGetItemAndSize(DeeTypeObject *tp_self, DeeObject *self, size_t index);
 INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeSeq_TDefaultGetItemIndexWithTryGetItemAndSizeOb(DeeTypeObject *tp_self, DeeObject *self, size_t index);
 INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL DeeSeq_TDefaultGetItemIndexWithForeachDefault(DeeTypeObject *tp_self, DeeObject *self, size_t index);
@@ -2344,7 +2501,7 @@ INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeObject_TDefaultBoundItemWithTryGe
 INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeObject_TDefaultBoundItemWithTryGetItemStringLenHashAndHasItemStringLenHash(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index);
 INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeObject_TDefaultBoundItemWithTryGetItemStringHashAndHasItemStringHash(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index);
 INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeSeq_TDefaultBoundItemWithTryGetItemAndSizeOb(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index);
-INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeSeq_TDefaultBoundItemWithTryGetItemIndexAndSize(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index);
+INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeSeq_TDefaultBoundItemWithSizeAndTryGetItemIndex(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index);
 INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeObject_TDefaultBoundItemWithTryGetItem(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index);
 INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeObject_TDefaultBoundItemWithTryGetItemIndex(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index);
 INTDEF WUNUSED NONNULL((1, 2, 3)) int DCALL DeeObject_TDefaultBoundItemWithTryGetItemStringLenHash(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index);
@@ -2360,7 +2517,7 @@ INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_TDefaultBoundItemIndexWithGet
 INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_TDefaultBoundItemIndexWithGetItemIndexDefault(DeeTypeObject *tp_self, DeeObject *self, size_t index);
 INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_TDefaultBoundItemIndexWithTryGetItemIndexAndHasItemIndex(DeeTypeObject *tp_self, DeeObject *self, size_t index);
 INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_TDefaultBoundItemIndexWithTryGetItemAndHasItem(DeeTypeObject *tp_self, DeeObject *self, size_t index);
-INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeSeq_TDefaultBoundItemIndexWithTryGetItemIndexAndSize(DeeTypeObject *tp_self, DeeObject *self, size_t index);
+INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeSeq_TDefaultBoundItemIndexWithSizeAndTryGetItemIndex(DeeTypeObject *tp_self, DeeObject *self, size_t index);
 INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeSeq_TDefaultBoundItemIndexWithTryGetItemAndSizeOb(DeeTypeObject *tp_self, DeeObject *self, size_t index);
 INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeObject_TDefaultBoundItemIndexWithErrorRequiresString(DeeTypeObject *tp_self, DeeObject *self, size_t index);
 INTDEF WUNUSED NONNULL((1, 2)) int DCALL DeeMap_TDefaultBoundItemIndexWithContains(DeeTypeObject *tp_self, DeeObject *self, size_t index);
@@ -2600,23 +2757,84 @@ INTDEF WUNUSED NONNULL((1, 2, 4)) int DCALL DeeSeq_TDefaultSetRangeIndexNWithSiz
 	 (tp_dec) == &DeeObject_DefaultDecWithAdd ? map(DeeObject_TDefaultDecWithAdd) : \
 	 (tp_dec) == &DeeObject_DefaultDecWithInplaceSub ? map(DeeObject_TDefaultDecWithInplaceSub) : \
 	 (tp_dec) == &DeeObject_DefaultDecWithSub ? map(DeeObject_TDefaultDecWithSub) : default)
+#define DeeType_MapDefaultHash(tp_hash, map, default) \
+	((tp_hash) == &DeeSeq_DefaultHashWithSizeAndGetItemIndexFast ? map(DeeSeq_TDefaultHashWithSizeAndGetItemIndexFast) : \
+	 (tp_hash) == &DeeSeq_DefaultHashWithForeach ? map(DeeSeq_TDefaultHashWithForeach) : \
+	 (tp_hash) == &DeeSeq_DefaultHashWithSizeAndTryGetItemIndex ? map(DeeSeq_TDefaultHashWithSizeAndTryGetItemIndex) : \
+	 (tp_hash) == &DeeSeq_DefaultHashWithSizeAndGetItemIndex ? map(DeeSeq_TDefaultHashWithSizeAndGetItemIndex) : \
+	 (tp_hash) == &DeeSeq_DefaultHashWithSizeObAndGetItem ? map(DeeSeq_TDefaultHashWithSizeObAndGetItem) : \
+	 (tp_hash) == &DeeSeq_DefaultHashWithForeachDefault ? map(DeeSeq_TDefaultHashWithForeachDefault) : \
+	 (tp_hash) == &DeeSet_DefaultHashWithForeachDefault ? map(DeeSet_TDefaultHashWithForeachDefault) : \
+	 (tp_hash) == &DeeMap_DefaultHashWithForeachPairDefault ? map(DeeMap_TDefaultHashWithForeachPairDefault) : default)
 #define DeeType_MapDefaultEq(tp_eq, map, default) \
-	((tp_eq) == &DeeObject_DefaultEqWithNe ? map(DeeObject_TDefaultEqWithNe) : default)
+	((tp_eq) == &DeeObject_DefaultEqWithCompareEq ? map(DeeObject_TDefaultEqWithCompareEq) : \
+	 (tp_eq) == &DeeObject_DefaultEqWithNe ? map(DeeObject_TDefaultEqWithNe) : \
+	 (tp_eq) == &DeeObject_DefaultEqWithLoAndGr ? map(DeeObject_TDefaultEqWithLoAndGr) : \
+	 (tp_eq) == &DeeObject_DefaultEqWithLeAndGe ? map(DeeObject_TDefaultEqWithLeAndGe) : \
+	 (tp_eq) == &DeeObject_DefaultEqWithCompareEqDefault ? map(DeeObject_TDefaultEqWithCompareEqDefault) : default)
 #define DeeType_MapDefaultNe(tp_ne, map, default) \
-	((tp_ne) == &DeeObject_DefaultNeWithEq ? map(DeeObject_TDefaultNeWithEq) : default)
+	((tp_ne) == &DeeObject_DefaultNeWithCompareEq ? map(DeeObject_TDefaultNeWithCompareEq) : \
+	 (tp_ne) == &DeeObject_DefaultNeWithEq ? map(DeeObject_TDefaultNeWithEq) : \
+	 (tp_ne) == &DeeObject_DefaultNeWithLoAndGr ? map(DeeObject_TDefaultNeWithLoAndGr) : \
+	 (tp_ne) == &DeeObject_DefaultNeWithLeAndGe ? map(DeeObject_TDefaultNeWithLeAndGe) : \
+	 (tp_ne) == &DeeObject_DefaultNeWithCompareEqDefault ? map(DeeObject_TDefaultNeWithCompareEqDefault) : default)
 #define DeeType_MapDefaultLo(tp_lo, map, default) \
-	((tp_lo) == &DeeObject_DefaultLoWithGe ? map(DeeObject_TDefaultLoWithGe) : default)
+	((tp_lo) == &DeeObject_DefaultLoWithCompare ? map(DeeObject_TDefaultLoWithCompare) : \
+	 (tp_lo) == &DeeObject_DefaultLoWithGe ? map(DeeObject_TDefaultLoWithGe) : \
+	 (tp_lo) == &DeeObject_DefaultLoWithCompareDefault ? map(DeeObject_TDefaultLoWithCompareDefault) : \
+	 (tp_lo) == &DeeSet_DefaultLoWithForeachDefault ? map(DeeSet_TDefaultLoWithForeachDefault) : \
+	 (tp_lo) == &DeeMap_DefaultLoWithForeachPairDefault ? map(DeeMap_TDefaultLoWithForeachPairDefault) : default)
 #define DeeType_MapDefaultLe(tp_le, map, default) \
-	((tp_le) == &DeeObject_DefaultLeWithGr ? map(DeeObject_TDefaultLeWithGr) : default)
+	((tp_le) == &DeeObject_DefaultLeWithCompare ? map(DeeObject_TDefaultLeWithCompare) : \
+	 (tp_le) == &DeeObject_DefaultLeWithGr ? map(DeeObject_TDefaultLeWithGr) : \
+	 (tp_le) == &DeeObject_DefaultLeWithCompareDefault ? map(DeeObject_TDefaultLeWithCompareDefault) : \
+	 (tp_le) == &DeeSet_DefaultLeWithForeachDefault ? map(DeeSet_TDefaultLeWithForeachDefault) : \
+	 (tp_le) == &DeeMap_DefaultLeWithForeachPairDefault ? map(DeeMap_TDefaultLeWithForeachPairDefault) : default)
 #define DeeType_MapDefaultGr(tp_gr, map, default) \
-	((tp_gr) == &DeeObject_DefaultGrWithLe ? map(DeeObject_TDefaultGrWithLe) : default)
+	((tp_gr) == &DeeObject_DefaultGrWithCompare ? map(DeeObject_TDefaultGrWithCompare) : \
+	 (tp_gr) == &DeeObject_DefaultGrWithLe ? map(DeeObject_TDefaultGrWithLe) : \
+	 (tp_gr) == &DeeObject_DefaultGrWithCompareDefault ? map(DeeObject_TDefaultGrWithCompareDefault) : \
+	 (tp_gr) == &DeeSet_DefaultGrWithForeachDefault ? map(DeeSet_TDefaultGrWithForeachDefault) : \
+	 (tp_gr) == &DeeMap_DefaultGrWithForeachPairDefault ? map(DeeMap_TDefaultGrWithForeachPairDefault) : default)
 #define DeeType_MapDefaultGe(tp_ge, map, default) \
-	((tp_ge) == &DeeObject_DefaultGeWithLo ? map(DeeObject_TDefaultGeWithLo) : default)
+	((tp_ge) == &DeeObject_DefaultGeWithCompare ? map(DeeObject_TDefaultGeWithCompare) : \
+	 (tp_ge) == &DeeObject_DefaultGeWithLo ? map(DeeObject_TDefaultGeWithLo) : \
+	 (tp_ge) == &DeeObject_DefaultGeWithCompareDefault ? map(DeeObject_TDefaultGeWithCompareDefault) : \
+	 (tp_ge) == &DeeSet_DefaultGeWithForeachDefault ? map(DeeSet_TDefaultGeWithForeachDefault) : \
+	 (tp_ge) == &DeeMap_DefaultGeWithForeachPairDefault ? map(DeeMap_TDefaultGeWithForeachPairDefault) : default)
+#define DeeType_MapDefaultCompareEq(tp_compare_eq, map, default) \
+	((tp_compare_eq) == &DeeObject_DefaultCompareEqWithEq ? map(DeeObject_TDefaultCompareEqWithEq) : \
+	 (tp_compare_eq) == &DeeObject_DefaultCompareEqWithNe ? map(DeeObject_TDefaultCompareEqWithNe) : \
+	 (tp_compare_eq) == &DeeObject_DefaultCompareEqWithLoAndGr ? map(DeeObject_TDefaultCompareEqWithLoAndGr) : \
+	 (tp_compare_eq) == &DeeObject_DefaultCompareEqWithLeAndGe ? map(DeeObject_TDefaultCompareEqWithLeAndGe) : \
+	 (tp_compare_eq) == &DeeSeq_DefaultCompareEqWithForeachDefault ? map(DeeSeq_TDefaultCompareEqWithForeachDefault) : \
+	 (tp_compare_eq) == &DeeSeq_DefaultCompareEqWithSizeAndGetItemIndexFast ? map(DeeSeq_TDefaultCompareEqWithSizeAndGetItemIndexFast) : \
+	 (tp_compare_eq) == &DeeSeq_DefaultCompareEqWithSizeAndTryGetItemIndex ? map(DeeSeq_TDefaultCompareEqWithSizeAndTryGetItemIndex) : \
+	 (tp_compare_eq) == &DeeSeq_DefaultCompareEqWithSizeAndGetItemIndex ? map(DeeSeq_TDefaultCompareEqWithSizeAndGetItemIndex) : \
+	 (tp_compare_eq) == &DeeSeq_DefaultCompareEqWithSizeObAndGetItem ? map(DeeSeq_TDefaultCompareEqWithSizeObAndGetItem) : \
+	 (tp_compare_eq) == &DeeSet_DefaultCompareEqWithForeachDefault ? map(DeeSet_TDefaultCompareEqWithForeachDefault) : \
+	 (tp_compare_eq) == &DeeMap_DefaultCompareEqWithForeachPairDefault ? map(DeeMap_TDefaultCompareEqWithForeachPairDefault) : default)
+#define DeeType_MapDefaultCompare(tp_compare, map, default) \
+	((tp_compare) == &DeeObject_DefaultCompareWithEqAndLo ? map(DeeObject_TDefaultCompareWithEqAndLo) : \
+	 (tp_compare) == &DeeObject_DefaultCompareWithEqAndLe ? map(DeeObject_TDefaultCompareWithEqAndLe) : \
+	 (tp_compare) == &DeeObject_DefaultCompareWithEqAndGr ? map(DeeObject_TDefaultCompareWithEqAndGr) : \
+	 (tp_compare) == &DeeObject_DefaultCompareWithEqAndGe ? map(DeeObject_TDefaultCompareWithEqAndGe) : \
+	 (tp_compare) == &DeeObject_DefaultCompareWithNeAndLo ? map(DeeObject_TDefaultCompareWithNeAndLo) : \
+	 (tp_compare) == &DeeObject_DefaultCompareWithNeAndLe ? map(DeeObject_TDefaultCompareWithNeAndLe) : \
+	 (tp_compare) == &DeeObject_DefaultCompareWithNeAndGr ? map(DeeObject_TDefaultCompareWithNeAndGr) : \
+	 (tp_compare) == &DeeObject_DefaultCompareWithNeAndGe ? map(DeeObject_TDefaultCompareWithNeAndGe) : \
+	 (tp_compare) == &DeeObject_DefaultCompareWithLoAndGr ? map(DeeObject_TDefaultCompareWithLoAndGr) : \
+	 (tp_compare) == &DeeObject_DefaultCompareWithLeAndGe ? map(DeeObject_TDefaultCompareWithLeAndGe) : \
+	 (tp_compare) == &DeeSeq_DefaultCompareWithSizeAndGetItemIndexFast ? map(DeeSeq_TDefaultCompareWithSizeAndGetItemIndexFast) : \
+	 (tp_compare) == &DeeSeq_DefaultCompareWithSizeAndTryGetItemIndex ? map(DeeSeq_TDefaultCompareWithSizeAndTryGetItemIndex) : \
+	 (tp_compare) == &DeeSeq_DefaultCompareWithSizeAndGetItemIndex ? map(DeeSeq_TDefaultCompareWithSizeAndGetItemIndex) : \
+	 (tp_compare) == &DeeSeq_DefaultCompareWithSizeObAndGetItem ? map(DeeSeq_TDefaultCompareWithSizeObAndGetItem) : \
+	 (tp_compare) == &DeeSeq_DefaultCompareWithForeachDefault ? map(DeeSeq_TDefaultCompareWithForeachDefault) : default)
 #define DeeType_MapDefaultIter(tp_iter, map, default) \
 	((tp_iter) == &DeeObject_DefaultIterWithForeach ? map(DeeObject_TDefaultIterWithForeach) : \
 	 (tp_iter) == &DeeObject_DefaultIterWithForeachPair ? map(DeeObject_TDefaultIterWithForeachPair) : \
 	 (tp_iter) == &DeeSeq_DefaultIterWithSizeAndGetItemIndexFast ? map(DeeSeq_TDefaultIterWithSizeAndGetItemIndexFast) : \
-	 (tp_iter) == &DeeSeq_DefaultIterWithTryGetItemIndexAndSize ? map(DeeSeq_TDefaultIterWithTryGetItemIndexAndSize) : \
+	 (tp_iter) == &DeeSeq_DefaultIterWithSizeAndTryGetItemIndex ? map(DeeSeq_TDefaultIterWithSizeAndTryGetItemIndex) : \
 	 (tp_iter) == &DeeSeq_DefaultIterWithSizeAndGetItemIndex ? map(DeeSeq_TDefaultIterWithSizeAndGetItemIndex) : \
 	 (tp_iter) == &DeeSeq_DefaultIterWithGetItemIndex ? map(DeeSeq_TDefaultIterWithGetItemIndex) : \
 	 (tp_iter) == &DeeSeq_DefaultIterWithSizeObAndGetItem ? map(DeeSeq_TDefaultIterWithSizeObAndGetItem) : \
@@ -2625,8 +2843,9 @@ INTDEF WUNUSED NONNULL((1, 2, 4)) int DCALL DeeSeq_TDefaultSetRangeIndexNWithSiz
 	((tp_foreach) == &DeeObject_DefaultForeachWithIter ? map(DeeObject_TDefaultForeachWithIter) : \
 	 (tp_foreach) == &DeeObject_DefaultForeachWithForeachPair ? map(DeeObject_TDefaultForeachWithForeachPair) : \
 	 (tp_foreach) == &DeeSeq_DefaultForeachWithSizeAndGetItemIndexFast ? map(DeeSeq_TDefaultForeachWithSizeAndGetItemIndexFast) : \
-	 (tp_foreach) == &DeeSeq_DefaultForeachWithTryGetItemIndexAndSize ? map(DeeSeq_TDefaultForeachWithTryGetItemIndexAndSize) : \
+	 (tp_foreach) == &DeeSeq_DefaultForeachWithSizeAndTryGetItemIndex ? map(DeeSeq_TDefaultForeachWithSizeAndTryGetItemIndex) : \
 	 (tp_foreach) == &DeeSeq_DefaultForeachWithSizeAndGetItemIndex ? map(DeeSeq_TDefaultForeachWithSizeAndGetItemIndex) : \
+	 (tp_foreach) == &DeeSeq_DefaultForeachWithSizeObAndGetItem ? map(DeeSeq_TDefaultForeachWithSizeObAndGetItem) : \
 	 (tp_foreach) == &DeeSeq_DefaultForeachWithSizeDefaultAndGetItemIndexDefault ? map(DeeSeq_TDefaultForeachWithSizeDefaultAndGetItemIndexDefault) : \
 	 (tp_foreach) == &DeeSeq_DefaultForeachWithGetItemIndexDefault ? map(DeeSeq_TDefaultForeachWithGetItemIndexDefault) : default)
 #define DeeType_MapDefaultForeachPair(tp_foreach_pair, map, default) \
@@ -2673,8 +2892,8 @@ INTDEF WUNUSED NONNULL((1, 2, 4)) int DCALL DeeSeq_TDefaultSetRangeIndexNWithSiz
 	 (tp_getitem) == &DeeObject_DefaultGetItemWithTryGetItemStringLenHash ? map(DeeObject_TDefaultGetItemWithTryGetItemStringLenHash) : \
 	 (tp_getitem) == &DeeSeq_DefaultGetItemWithTryGetItemAndSizeOb ? map(DeeSeq_TDefaultGetItemWithTryGetItemAndSizeOb) : \
 	 (tp_getitem) == &DeeSeq_DefaultGetItemWithTryGetItemAndSize ? map(DeeSeq_TDefaultGetItemWithTryGetItemAndSize) : \
-	 (tp_getitem) == &DeeSeq_DefaultGetItemWithTryGetItemIndexAndSizeOb ? map(DeeSeq_TDefaultGetItemWithTryGetItemIndexAndSizeOb) : \
-	 (tp_getitem) == &DeeSeq_DefaultGetItemWithTryGetItemIndexAndSize ? map(DeeSeq_TDefaultGetItemWithTryGetItemIndexAndSize) : \
+	 (tp_getitem) == &DeeSeq_DefaultGetItemWithSizeAndTryGetItemIndexOb ? map(DeeSeq_TDefaultGetItemWithSizeAndTryGetItemIndexOb) : \
+	 (tp_getitem) == &DeeSeq_DefaultGetItemWithSizeAndTryGetItemIndex ? map(DeeSeq_TDefaultGetItemWithSizeAndTryGetItemIndex) : \
 	 (tp_getitem) == &DeeMap_DefaultGetItemWithForeachPair ? map(DeeMap_TDefaultGetItemWithForeachPair) : \
 	 (tp_getitem) == &DeeMap_DefaultGetItemWithForeachPairDefault ? map(DeeMap_TDefaultGetItemWithForeachPairDefault) : default)
 #define DeeType_MapDefaultGetItemIndex(tp_getitem_index, map, default) \
@@ -2683,8 +2902,8 @@ INTDEF WUNUSED NONNULL((1, 2, 4)) int DCALL DeeSeq_TDefaultSetRangeIndexNWithSiz
 	 (tp_getitem_index) == &DeeObject_DefaultGetItemIndexWithGetItem ? map(DeeObject_TDefaultGetItemIndexWithGetItem) : \
 	 (tp_getitem_index) == &DeeObject_DefaultGetItemIndexWithTryGetItem ? map(DeeObject_TDefaultGetItemIndexWithTryGetItem) : \
 	 (tp_getitem_index) == &DeeObject_DefaultGetItemIndexWithGetItemDefault ? map(DeeObject_TDefaultGetItemIndexWithGetItemDefault) : \
-	 (tp_getitem_index) == &DeeSeq_DefaultGetItemIndexWithTryGetItemIndexAndSize ? map(DeeSeq_TDefaultGetItemIndexWithTryGetItemIndexAndSize) : \
-	 (tp_getitem_index) == &DeeSeq_DefaultGetItemIndexWithTryGetItemIndexAndSizeOb ? map(DeeSeq_TDefaultGetItemIndexWithTryGetItemIndexAndSizeOb) : \
+	 (tp_getitem_index) == &DeeSeq_DefaultGetItemIndexWithSizeAndTryGetItemIndex ? map(DeeSeq_TDefaultGetItemIndexWithSizeAndTryGetItemIndex) : \
+	 (tp_getitem_index) == &DeeSeq_DefaultGetItemIndexWithSizeAndTryGetItemIndexOb ? map(DeeSeq_TDefaultGetItemIndexWithSizeAndTryGetItemIndexOb) : \
 	 (tp_getitem_index) == &DeeSeq_DefaultGetItemIndexWithTryGetItemAndSize ? map(DeeSeq_TDefaultGetItemIndexWithTryGetItemAndSize) : \
 	 (tp_getitem_index) == &DeeSeq_DefaultGetItemIndexWithTryGetItemAndSizeOb ? map(DeeSeq_TDefaultGetItemIndexWithTryGetItemAndSizeOb) : \
 	 (tp_getitem_index) == &DeeSeq_DefaultGetItemIndexWithForeachDefault ? map(DeeSeq_TDefaultGetItemIndexWithForeachDefault) : \
@@ -2787,7 +3006,7 @@ INTDEF WUNUSED NONNULL((1, 2, 4)) int DCALL DeeSeq_TDefaultSetRangeIndexNWithSiz
 	 (tp_bounditem) == &DeeObject_DefaultBoundItemWithTryGetItemStringLenHashAndHasItemStringLenHash ? map(DeeObject_TDefaultBoundItemWithTryGetItemStringLenHashAndHasItemStringLenHash) : \
 	 (tp_bounditem) == &DeeObject_DefaultBoundItemWithTryGetItemStringHashAndHasItemStringHash ? map(DeeObject_TDefaultBoundItemWithTryGetItemStringHashAndHasItemStringHash) : \
 	 (tp_bounditem) == &DeeSeq_DefaultBoundItemWithTryGetItemAndSizeOb ? map(DeeSeq_TDefaultBoundItemWithTryGetItemAndSizeOb) : \
-	 (tp_bounditem) == &DeeSeq_DefaultBoundItemWithTryGetItemIndexAndSize ? map(DeeSeq_TDefaultBoundItemWithTryGetItemIndexAndSize) : \
+	 (tp_bounditem) == &DeeSeq_DefaultBoundItemWithSizeAndTryGetItemIndex ? map(DeeSeq_TDefaultBoundItemWithSizeAndTryGetItemIndex) : \
 	 (tp_bounditem) == &DeeObject_DefaultBoundItemWithTryGetItem ? map(DeeObject_TDefaultBoundItemWithTryGetItem) : \
 	 (tp_bounditem) == &DeeObject_DefaultBoundItemWithTryGetItemIndex ? map(DeeObject_TDefaultBoundItemWithTryGetItemIndex) : \
 	 (tp_bounditem) == &DeeObject_DefaultBoundItemWithTryGetItemStringLenHash ? map(DeeObject_TDefaultBoundItemWithTryGetItemStringLenHash) : \
@@ -2804,7 +3023,7 @@ INTDEF WUNUSED NONNULL((1, 2, 4)) int DCALL DeeSeq_TDefaultSetRangeIndexNWithSiz
 	 (tp_bounditem_index) == &DeeObject_DefaultBoundItemIndexWithGetItemIndexDefault ? map(DeeObject_TDefaultBoundItemIndexWithGetItemIndexDefault) : \
 	 (tp_bounditem_index) == &DeeObject_DefaultBoundItemIndexWithTryGetItemIndexAndHasItemIndex ? map(DeeObject_TDefaultBoundItemIndexWithTryGetItemIndexAndHasItemIndex) : \
 	 (tp_bounditem_index) == &DeeObject_DefaultBoundItemIndexWithTryGetItemAndHasItem ? map(DeeObject_TDefaultBoundItemIndexWithTryGetItemAndHasItem) : \
-	 (tp_bounditem_index) == &DeeSeq_DefaultBoundItemIndexWithTryGetItemIndexAndSize ? map(DeeSeq_TDefaultBoundItemIndexWithTryGetItemIndexAndSize) : \
+	 (tp_bounditem_index) == &DeeSeq_DefaultBoundItemIndexWithSizeAndTryGetItemIndex ? map(DeeSeq_TDefaultBoundItemIndexWithSizeAndTryGetItemIndex) : \
 	 (tp_bounditem_index) == &DeeSeq_DefaultBoundItemIndexWithTryGetItemAndSizeOb ? map(DeeSeq_TDefaultBoundItemIndexWithTryGetItemAndSizeOb) : \
 	 (tp_bounditem_index) == &DeeMap_DefaultBoundItemIndexWithContains ? map(DeeMap_TDefaultBoundItemIndexWithContains) : \
 	 (tp_bounditem_index) == &DeeMap_DefaultBoundItemIndexWithForeachPair ? map(DeeMap_TDefaultBoundItemIndexWithForeachPair) : \
@@ -3053,23 +3272,84 @@ INTDEF WUNUSED NONNULL((1, 2, 4)) int DCALL DeeSeq_TDefaultSetRangeIndexNWithSiz
 	 (tp_dec) == &DeeObject_DefaultDecWithAdd || \
 	 (tp_dec) == &DeeObject_DefaultDecWithInplaceSub || \
 	 (tp_dec) == &DeeObject_DefaultDecWithSub)
+#define DeeType_IsDefaultHash(tp_hash) \
+	((tp_hash) == &DeeSeq_DefaultHashWithSizeAndGetItemIndexFast || \
+	 (tp_hash) == &DeeSeq_DefaultHashWithForeach || \
+	 (tp_hash) == &DeeSeq_DefaultHashWithSizeAndTryGetItemIndex || \
+	 (tp_hash) == &DeeSeq_DefaultHashWithSizeAndGetItemIndex || \
+	 (tp_hash) == &DeeSeq_DefaultHashWithSizeObAndGetItem || \
+	 (tp_hash) == &DeeSeq_DefaultHashWithForeachDefault || \
+	 (tp_hash) == &DeeSet_DefaultHashWithForeachDefault || \
+	 (tp_hash) == &DeeMap_DefaultHashWithForeachPairDefault)
 #define DeeType_IsDefaultEq(tp_eq) \
-	((tp_eq) == &DeeObject_DefaultEqWithNe)
+	((tp_eq) == &DeeObject_DefaultEqWithCompareEq || \
+	 (tp_eq) == &DeeObject_DefaultEqWithNe || \
+	 (tp_eq) == &DeeObject_DefaultEqWithLoAndGr || \
+	 (tp_eq) == &DeeObject_DefaultEqWithLeAndGe || \
+	 (tp_eq) == &DeeObject_DefaultEqWithCompareEqDefault)
 #define DeeType_IsDefaultNe(tp_ne) \
-	((tp_ne) == &DeeObject_DefaultNeWithEq)
+	((tp_ne) == &DeeObject_DefaultNeWithCompareEq || \
+	 (tp_ne) == &DeeObject_DefaultNeWithEq || \
+	 (tp_ne) == &DeeObject_DefaultNeWithLoAndGr || \
+	 (tp_ne) == &DeeObject_DefaultNeWithLeAndGe || \
+	 (tp_ne) == &DeeObject_DefaultNeWithCompareEqDefault)
 #define DeeType_IsDefaultLo(tp_lo) \
-	((tp_lo) == &DeeObject_DefaultLoWithGe)
+	((tp_lo) == &DeeObject_DefaultLoWithCompare || \
+	 (tp_lo) == &DeeObject_DefaultLoWithGe || \
+	 (tp_lo) == &DeeObject_DefaultLoWithCompareDefault || \
+	 (tp_lo) == &DeeSet_DefaultLoWithForeachDefault || \
+	 (tp_lo) == &DeeMap_DefaultLoWithForeachPairDefault)
 #define DeeType_IsDefaultLe(tp_le) \
-	((tp_le) == &DeeObject_DefaultLeWithGr)
+	((tp_le) == &DeeObject_DefaultLeWithCompare || \
+	 (tp_le) == &DeeObject_DefaultLeWithGr || \
+	 (tp_le) == &DeeObject_DefaultLeWithCompareDefault || \
+	 (tp_le) == &DeeSet_DefaultLeWithForeachDefault || \
+	 (tp_le) == &DeeMap_DefaultLeWithForeachPairDefault)
 #define DeeType_IsDefaultGr(tp_gr) \
-	((tp_gr) == &DeeObject_DefaultGrWithLe)
+	((tp_gr) == &DeeObject_DefaultGrWithCompare || \
+	 (tp_gr) == &DeeObject_DefaultGrWithLe || \
+	 (tp_gr) == &DeeObject_DefaultGrWithCompareDefault || \
+	 (tp_gr) == &DeeSet_DefaultGrWithForeachDefault || \
+	 (tp_gr) == &DeeMap_DefaultGrWithForeachPairDefault)
 #define DeeType_IsDefaultGe(tp_ge) \
-	((tp_ge) == &DeeObject_DefaultGeWithLo)
+	((tp_ge) == &DeeObject_DefaultGeWithCompare || \
+	 (tp_ge) == &DeeObject_DefaultGeWithLo || \
+	 (tp_ge) == &DeeObject_DefaultGeWithCompareDefault || \
+	 (tp_ge) == &DeeSet_DefaultGeWithForeachDefault || \
+	 (tp_ge) == &DeeMap_DefaultGeWithForeachPairDefault)
+#define DeeType_IsDefaultCompareEq(tp_compare_eq) \
+	((tp_compare_eq) == &DeeObject_DefaultCompareEqWithEq || \
+	 (tp_compare_eq) == &DeeObject_DefaultCompareEqWithNe || \
+	 (tp_compare_eq) == &DeeObject_DefaultCompareEqWithLoAndGr || \
+	 (tp_compare_eq) == &DeeObject_DefaultCompareEqWithLeAndGe || \
+	 (tp_compare_eq) == &DeeSeq_DefaultCompareEqWithForeachDefault || \
+	 (tp_compare_eq) == &DeeSeq_DefaultCompareEqWithSizeAndGetItemIndexFast || \
+	 (tp_compare_eq) == &DeeSeq_DefaultCompareEqWithSizeAndTryGetItemIndex || \
+	 (tp_compare_eq) == &DeeSeq_DefaultCompareEqWithSizeAndGetItemIndex || \
+	 (tp_compare_eq) == &DeeSeq_DefaultCompareEqWithSizeObAndGetItem || \
+	 (tp_compare_eq) == &DeeSet_DefaultCompareEqWithForeachDefault || \
+	 (tp_compare_eq) == &DeeMap_DefaultCompareEqWithForeachPairDefault)
+#define DeeType_IsDefaultCompare(tp_compare) \
+	((tp_compare) == &DeeObject_DefaultCompareWithEqAndLo || \
+	 (tp_compare) == &DeeObject_DefaultCompareWithEqAndLe || \
+	 (tp_compare) == &DeeObject_DefaultCompareWithEqAndGr || \
+	 (tp_compare) == &DeeObject_DefaultCompareWithEqAndGe || \
+	 (tp_compare) == &DeeObject_DefaultCompareWithNeAndLo || \
+	 (tp_compare) == &DeeObject_DefaultCompareWithNeAndLe || \
+	 (tp_compare) == &DeeObject_DefaultCompareWithNeAndGr || \
+	 (tp_compare) == &DeeObject_DefaultCompareWithNeAndGe || \
+	 (tp_compare) == &DeeObject_DefaultCompareWithLoAndGr || \
+	 (tp_compare) == &DeeObject_DefaultCompareWithLeAndGe || \
+	 (tp_compare) == &DeeSeq_DefaultCompareWithSizeAndGetItemIndexFast || \
+	 (tp_compare) == &DeeSeq_DefaultCompareWithSizeAndTryGetItemIndex || \
+	 (tp_compare) == &DeeSeq_DefaultCompareWithSizeAndGetItemIndex || \
+	 (tp_compare) == &DeeSeq_DefaultCompareWithSizeObAndGetItem || \
+	 (tp_compare) == &DeeSeq_DefaultCompareWithForeachDefault)
 #define DeeType_IsDefaultIter(tp_iter) \
 	((tp_iter) == &DeeObject_DefaultIterWithForeach || \
 	 (tp_iter) == &DeeObject_DefaultIterWithForeachPair || \
 	 (tp_iter) == &DeeSeq_DefaultIterWithSizeAndGetItemIndexFast || \
-	 (tp_iter) == &DeeSeq_DefaultIterWithTryGetItemIndexAndSize || \
+	 (tp_iter) == &DeeSeq_DefaultIterWithSizeAndTryGetItemIndex || \
 	 (tp_iter) == &DeeSeq_DefaultIterWithSizeAndGetItemIndex || \
 	 (tp_iter) == &DeeSeq_DefaultIterWithGetItemIndex || \
 	 (tp_iter) == &DeeSeq_DefaultIterWithSizeObAndGetItem || \
@@ -3078,8 +3358,9 @@ INTDEF WUNUSED NONNULL((1, 2, 4)) int DCALL DeeSeq_TDefaultSetRangeIndexNWithSiz
 	((tp_foreach) == &DeeObject_DefaultForeachWithIter || \
 	 (tp_foreach) == &DeeObject_DefaultForeachWithForeachPair || \
 	 (tp_foreach) == &DeeSeq_DefaultForeachWithSizeAndGetItemIndexFast || \
-	 (tp_foreach) == &DeeSeq_DefaultForeachWithTryGetItemIndexAndSize || \
+	 (tp_foreach) == &DeeSeq_DefaultForeachWithSizeAndTryGetItemIndex || \
 	 (tp_foreach) == &DeeSeq_DefaultForeachWithSizeAndGetItemIndex || \
+	 (tp_foreach) == &DeeSeq_DefaultForeachWithSizeObAndGetItem || \
 	 (tp_foreach) == &DeeSeq_DefaultForeachWithSizeDefaultAndGetItemIndexDefault || \
 	 (tp_foreach) == &DeeSeq_DefaultForeachWithGetItemIndexDefault)
 #define DeeType_IsDefaultForeachPair(tp_foreach_pair) \
@@ -3127,8 +3408,8 @@ INTDEF WUNUSED NONNULL((1, 2, 4)) int DCALL DeeSeq_TDefaultSetRangeIndexNWithSiz
 	 (tp_getitem) == &DeeObject_DefaultGetItemWithTryGetItemStringLenHash || \
 	 (tp_getitem) == &DeeSeq_DefaultGetItemWithTryGetItemAndSizeOb || \
 	 (tp_getitem) == &DeeSeq_DefaultGetItemWithTryGetItemAndSize || \
-	 (tp_getitem) == &DeeSeq_DefaultGetItemWithTryGetItemIndexAndSizeOb || \
-	 (tp_getitem) == &DeeSeq_DefaultGetItemWithTryGetItemIndexAndSize || \
+	 (tp_getitem) == &DeeSeq_DefaultGetItemWithSizeAndTryGetItemIndexOb || \
+	 (tp_getitem) == &DeeSeq_DefaultGetItemWithSizeAndTryGetItemIndex || \
 	 (tp_getitem) == &DeeMap_DefaultGetItemWithForeachPair || \
 	 (tp_getitem) == &DeeMap_DefaultGetItemWithForeachPairDefault)
 #define DeeType_IsDefaultGetItemIndex(tp_getitem_index) \
@@ -3138,8 +3419,8 @@ INTDEF WUNUSED NONNULL((1, 2, 4)) int DCALL DeeSeq_TDefaultSetRangeIndexNWithSiz
 	 (tp_getitem_index) == &DeeObject_DefaultGetItemIndexWithTryGetItem || \
 	 (tp_getitem_index) == &DeeObject_DefaultGetItemIndexWithErrorRequiresString || \
 	 (tp_getitem_index) == &DeeObject_DefaultGetItemIndexWithGetItemDefault || \
-	 (tp_getitem_index) == &DeeSeq_DefaultGetItemIndexWithTryGetItemIndexAndSize || \
-	 (tp_getitem_index) == &DeeSeq_DefaultGetItemIndexWithTryGetItemIndexAndSizeOb || \
+	 (tp_getitem_index) == &DeeSeq_DefaultGetItemIndexWithSizeAndTryGetItemIndex || \
+	 (tp_getitem_index) == &DeeSeq_DefaultGetItemIndexWithSizeAndTryGetItemIndexOb || \
 	 (tp_getitem_index) == &DeeSeq_DefaultGetItemIndexWithTryGetItemAndSize || \
 	 (tp_getitem_index) == &DeeSeq_DefaultGetItemIndexWithTryGetItemAndSizeOb || \
 	 (tp_getitem_index) == &DeeSeq_DefaultGetItemIndexWithForeachDefault || \
@@ -3253,7 +3534,7 @@ INTDEF WUNUSED NONNULL((1, 2, 4)) int DCALL DeeSeq_TDefaultSetRangeIndexNWithSiz
 	 (tp_bounditem) == &DeeObject_DefaultBoundItemWithTryGetItemStringLenHashAndHasItemStringLenHash || \
 	 (tp_bounditem) == &DeeObject_DefaultBoundItemWithTryGetItemStringHashAndHasItemStringHash || \
 	 (tp_bounditem) == &DeeSeq_DefaultBoundItemWithTryGetItemAndSizeOb || \
-	 (tp_bounditem) == &DeeSeq_DefaultBoundItemWithTryGetItemIndexAndSize || \
+	 (tp_bounditem) == &DeeSeq_DefaultBoundItemWithSizeAndTryGetItemIndex || \
 	 (tp_bounditem) == &DeeObject_DefaultBoundItemWithTryGetItem || \
 	 (tp_bounditem) == &DeeObject_DefaultBoundItemWithTryGetItemIndex || \
 	 (tp_bounditem) == &DeeObject_DefaultBoundItemWithTryGetItemStringLenHash || \
@@ -3270,7 +3551,7 @@ INTDEF WUNUSED NONNULL((1, 2, 4)) int DCALL DeeSeq_TDefaultSetRangeIndexNWithSiz
 	 (tp_bounditem_index) == &DeeObject_DefaultBoundItemIndexWithGetItemIndexDefault || \
 	 (tp_bounditem_index) == &DeeObject_DefaultBoundItemIndexWithTryGetItemIndexAndHasItemIndex || \
 	 (tp_bounditem_index) == &DeeObject_DefaultBoundItemIndexWithTryGetItemAndHasItem || \
-	 (tp_bounditem_index) == &DeeSeq_DefaultBoundItemIndexWithTryGetItemIndexAndSize || \
+	 (tp_bounditem_index) == &DeeSeq_DefaultBoundItemIndexWithSizeAndTryGetItemIndex || \
 	 (tp_bounditem_index) == &DeeSeq_DefaultBoundItemIndexWithTryGetItemAndSizeOb || \
 	 (tp_bounditem_index) == &DeeObject_DefaultBoundItemIndexWithErrorRequiresString || \
 	 (tp_bounditem_index) == &DeeMap_DefaultBoundItemIndexWithContains || \
@@ -3559,29 +3840,93 @@ INTDEF WUNUSED NONNULL((1, 2, 4)) int DCALL DeeSeq_TDefaultSetRangeIndexNWithSiz
 	 (tp_dec) == &DeeObject_DefaultDecWithInplaceSub ? DeeObject_TDefaultDecWithInplaceSub(tp_self, p_self) : \
 	 (tp_dec) == &DeeObject_DefaultDecWithSub ? DeeObject_TDefaultDecWithSub(tp_self, p_self) : \
 	 default)
+#define DeeType_invoke_cmp_tp_hash_DEFAULT(tp_self, tp_hash, self, default) \
+	((tp_hash) == &DeeSeq_DefaultHashWithSizeAndGetItemIndexFast ? DeeSeq_TDefaultHashWithSizeAndGetItemIndexFast(tp_self, self) : \
+	 (tp_hash) == &DeeSeq_DefaultHashWithForeach ? DeeSeq_TDefaultHashWithForeach(tp_self, self) : \
+	 (tp_hash) == &DeeSeq_DefaultHashWithSizeAndTryGetItemIndex ? DeeSeq_TDefaultHashWithSizeAndTryGetItemIndex(tp_self, self) : \
+	 (tp_hash) == &DeeSeq_DefaultHashWithSizeAndGetItemIndex ? DeeSeq_TDefaultHashWithSizeAndGetItemIndex(tp_self, self) : \
+	 (tp_hash) == &DeeSeq_DefaultHashWithSizeObAndGetItem ? DeeSeq_TDefaultHashWithSizeObAndGetItem(tp_self, self) : \
+	 (tp_hash) == &DeeSeq_DefaultHashWithForeachDefault ? DeeSeq_TDefaultHashWithForeachDefault(tp_self, self) : \
+	 (tp_hash) == &DeeSet_DefaultHashWithForeachDefault ? DeeSet_TDefaultHashWithForeachDefault(tp_self, self) : \
+	 (tp_hash) == &DeeMap_DefaultHashWithForeachPairDefault ? DeeMap_TDefaultHashWithForeachPairDefault(tp_self, self) : \
+	 default)
 #define DeeType_invoke_cmp_tp_eq_DEFAULT(tp_self, tp_eq, self, other, default) \
-	((tp_eq) == &DeeObject_DefaultEqWithNe ? DeeObject_TDefaultEqWithNe(tp_self, self, other) : \
+	((tp_eq) == &DeeObject_DefaultEqWithCompareEq ? DeeObject_TDefaultEqWithCompareEq(tp_self, self, other) : \
+	 (tp_eq) == &DeeObject_DefaultEqWithNe ? DeeObject_TDefaultEqWithNe(tp_self, self, other) : \
+	 (tp_eq) == &DeeObject_DefaultEqWithLoAndGr ? DeeObject_TDefaultEqWithLoAndGr(tp_self, self, other) : \
+	 (tp_eq) == &DeeObject_DefaultEqWithLeAndGe ? DeeObject_TDefaultEqWithLeAndGe(tp_self, self, other) : \
+	 (tp_eq) == &DeeObject_DefaultEqWithCompareEqDefault ? DeeObject_TDefaultEqWithCompareEqDefault(tp_self, self, other) : \
 	 default)
 #define DeeType_invoke_cmp_tp_ne_DEFAULT(tp_self, tp_ne, self, other, default) \
-	((tp_ne) == &DeeObject_DefaultNeWithEq ? DeeObject_TDefaultNeWithEq(tp_self, self, other) : \
+	((tp_ne) == &DeeObject_DefaultNeWithCompareEq ? DeeObject_TDefaultNeWithCompareEq(tp_self, self, other) : \
+	 (tp_ne) == &DeeObject_DefaultNeWithEq ? DeeObject_TDefaultNeWithEq(tp_self, self, other) : \
+	 (tp_ne) == &DeeObject_DefaultNeWithLoAndGr ? DeeObject_TDefaultNeWithLoAndGr(tp_self, self, other) : \
+	 (tp_ne) == &DeeObject_DefaultNeWithLeAndGe ? DeeObject_TDefaultNeWithLeAndGe(tp_self, self, other) : \
+	 (tp_ne) == &DeeObject_DefaultNeWithCompareEqDefault ? DeeObject_TDefaultNeWithCompareEqDefault(tp_self, self, other) : \
 	 default)
 #define DeeType_invoke_cmp_tp_lo_DEFAULT(tp_self, tp_lo, self, other, default) \
-	((tp_lo) == &DeeObject_DefaultLoWithGe ? DeeObject_TDefaultLoWithGe(tp_self, self, other) : \
+	((tp_lo) == &DeeObject_DefaultLoWithCompare ? DeeObject_TDefaultLoWithCompare(tp_self, self, other) : \
+	 (tp_lo) == &DeeObject_DefaultLoWithGe ? DeeObject_TDefaultLoWithGe(tp_self, self, other) : \
+	 (tp_lo) == &DeeObject_DefaultLoWithCompareDefault ? DeeObject_TDefaultLoWithCompareDefault(tp_self, self, other) : \
+	 (tp_lo) == &DeeSet_DefaultLoWithForeachDefault ? DeeSet_TDefaultLoWithForeachDefault(tp_self, self, other) : \
+	 (tp_lo) == &DeeMap_DefaultLoWithForeachPairDefault ? DeeMap_TDefaultLoWithForeachPairDefault(tp_self, self, other) : \
 	 default)
 #define DeeType_invoke_cmp_tp_le_DEFAULT(tp_self, tp_le, self, other, default) \
-	((tp_le) == &DeeObject_DefaultLeWithGr ? DeeObject_TDefaultLeWithGr(tp_self, self, other) : \
+	((tp_le) == &DeeObject_DefaultLeWithCompare ? DeeObject_TDefaultLeWithCompare(tp_self, self, other) : \
+	 (tp_le) == &DeeObject_DefaultLeWithGr ? DeeObject_TDefaultLeWithGr(tp_self, self, other) : \
+	 (tp_le) == &DeeObject_DefaultLeWithCompareDefault ? DeeObject_TDefaultLeWithCompareDefault(tp_self, self, other) : \
+	 (tp_le) == &DeeSet_DefaultLeWithForeachDefault ? DeeSet_TDefaultLeWithForeachDefault(tp_self, self, other) : \
+	 (tp_le) == &DeeMap_DefaultLeWithForeachPairDefault ? DeeMap_TDefaultLeWithForeachPairDefault(tp_self, self, other) : \
 	 default)
 #define DeeType_invoke_cmp_tp_gr_DEFAULT(tp_self, tp_gr, self, other, default) \
-	((tp_gr) == &DeeObject_DefaultGrWithLe ? DeeObject_TDefaultGrWithLe(tp_self, self, other) : \
+	((tp_gr) == &DeeObject_DefaultGrWithCompare ? DeeObject_TDefaultGrWithCompare(tp_self, self, other) : \
+	 (tp_gr) == &DeeObject_DefaultGrWithLe ? DeeObject_TDefaultGrWithLe(tp_self, self, other) : \
+	 (tp_gr) == &DeeObject_DefaultGrWithCompareDefault ? DeeObject_TDefaultGrWithCompareDefault(tp_self, self, other) : \
+	 (tp_gr) == &DeeSet_DefaultGrWithForeachDefault ? DeeSet_TDefaultGrWithForeachDefault(tp_self, self, other) : \
+	 (tp_gr) == &DeeMap_DefaultGrWithForeachPairDefault ? DeeMap_TDefaultGrWithForeachPairDefault(tp_self, self, other) : \
 	 default)
 #define DeeType_invoke_cmp_tp_ge_DEFAULT(tp_self, tp_ge, self, other, default) \
-	((tp_ge) == &DeeObject_DefaultGeWithLo ? DeeObject_TDefaultGeWithLo(tp_self, self, other) : \
+	((tp_ge) == &DeeObject_DefaultGeWithCompare ? DeeObject_TDefaultGeWithCompare(tp_self, self, other) : \
+	 (tp_ge) == &DeeObject_DefaultGeWithLo ? DeeObject_TDefaultGeWithLo(tp_self, self, other) : \
+	 (tp_ge) == &DeeObject_DefaultGeWithCompareDefault ? DeeObject_TDefaultGeWithCompareDefault(tp_self, self, other) : \
+	 (tp_ge) == &DeeSet_DefaultGeWithForeachDefault ? DeeSet_TDefaultGeWithForeachDefault(tp_self, self, other) : \
+	 (tp_ge) == &DeeMap_DefaultGeWithForeachPairDefault ? DeeMap_TDefaultGeWithForeachPairDefault(tp_self, self, other) : \
+	 default)
+#define DeeType_invoke_cmp_tp_compare_eq_DEFAULT(tp_self, tp_compare_eq, self, other, default) \
+	((tp_compare_eq) == &DeeObject_DefaultCompareEqWithEq ? DeeObject_TDefaultCompareEqWithEq(tp_self, self, other) : \
+	 (tp_compare_eq) == &DeeObject_DefaultCompareEqWithNe ? DeeObject_TDefaultCompareEqWithNe(tp_self, self, other) : \
+	 (tp_compare_eq) == &DeeObject_DefaultCompareEqWithLoAndGr ? DeeObject_TDefaultCompareEqWithLoAndGr(tp_self, self, other) : \
+	 (tp_compare_eq) == &DeeObject_DefaultCompareEqWithLeAndGe ? DeeObject_TDefaultCompareEqWithLeAndGe(tp_self, self, other) : \
+	 (tp_compare_eq) == &DeeSeq_DefaultCompareEqWithForeachDefault ? DeeSeq_TDefaultCompareEqWithForeachDefault(tp_self, self, other) : \
+	 (tp_compare_eq) == &DeeSeq_DefaultCompareEqWithSizeAndGetItemIndexFast ? DeeSeq_TDefaultCompareEqWithSizeAndGetItemIndexFast(tp_self, self, other) : \
+	 (tp_compare_eq) == &DeeSeq_DefaultCompareEqWithSizeAndTryGetItemIndex ? DeeSeq_TDefaultCompareEqWithSizeAndTryGetItemIndex(tp_self, self, other) : \
+	 (tp_compare_eq) == &DeeSeq_DefaultCompareEqWithSizeAndGetItemIndex ? DeeSeq_TDefaultCompareEqWithSizeAndGetItemIndex(tp_self, self, other) : \
+	 (tp_compare_eq) == &DeeSeq_DefaultCompareEqWithSizeObAndGetItem ? DeeSeq_TDefaultCompareEqWithSizeObAndGetItem(tp_self, self, other) : \
+	 (tp_compare_eq) == &DeeSet_DefaultCompareEqWithForeachDefault ? DeeSet_TDefaultCompareEqWithForeachDefault(tp_self, self, other) : \
+	 (tp_compare_eq) == &DeeMap_DefaultCompareEqWithForeachPairDefault ? DeeMap_TDefaultCompareEqWithForeachPairDefault(tp_self, self, other) : \
+	 default)
+#define DeeType_invoke_cmp_tp_compare_DEFAULT(tp_self, tp_compare, self, other, default) \
+	((tp_compare) == &DeeObject_DefaultCompareWithEqAndLo ? DeeObject_TDefaultCompareWithEqAndLo(tp_self, self, other) : \
+	 (tp_compare) == &DeeObject_DefaultCompareWithEqAndLe ? DeeObject_TDefaultCompareWithEqAndLe(tp_self, self, other) : \
+	 (tp_compare) == &DeeObject_DefaultCompareWithEqAndGr ? DeeObject_TDefaultCompareWithEqAndGr(tp_self, self, other) : \
+	 (tp_compare) == &DeeObject_DefaultCompareWithEqAndGe ? DeeObject_TDefaultCompareWithEqAndGe(tp_self, self, other) : \
+	 (tp_compare) == &DeeObject_DefaultCompareWithNeAndLo ? DeeObject_TDefaultCompareWithNeAndLo(tp_self, self, other) : \
+	 (tp_compare) == &DeeObject_DefaultCompareWithNeAndLe ? DeeObject_TDefaultCompareWithNeAndLe(tp_self, self, other) : \
+	 (tp_compare) == &DeeObject_DefaultCompareWithNeAndGr ? DeeObject_TDefaultCompareWithNeAndGr(tp_self, self, other) : \
+	 (tp_compare) == &DeeObject_DefaultCompareWithNeAndGe ? DeeObject_TDefaultCompareWithNeAndGe(tp_self, self, other) : \
+	 (tp_compare) == &DeeObject_DefaultCompareWithLoAndGr ? DeeObject_TDefaultCompareWithLoAndGr(tp_self, self, other) : \
+	 (tp_compare) == &DeeObject_DefaultCompareWithLeAndGe ? DeeObject_TDefaultCompareWithLeAndGe(tp_self, self, other) : \
+	 (tp_compare) == &DeeSeq_DefaultCompareWithSizeAndGetItemIndexFast ? DeeSeq_TDefaultCompareWithSizeAndGetItemIndexFast(tp_self, self, other) : \
+	 (tp_compare) == &DeeSeq_DefaultCompareWithSizeAndTryGetItemIndex ? DeeSeq_TDefaultCompareWithSizeAndTryGetItemIndex(tp_self, self, other) : \
+	 (tp_compare) == &DeeSeq_DefaultCompareWithSizeAndGetItemIndex ? DeeSeq_TDefaultCompareWithSizeAndGetItemIndex(tp_self, self, other) : \
+	 (tp_compare) == &DeeSeq_DefaultCompareWithSizeObAndGetItem ? DeeSeq_TDefaultCompareWithSizeObAndGetItem(tp_self, self, other) : \
+	 (tp_compare) == &DeeSeq_DefaultCompareWithForeachDefault ? DeeSeq_TDefaultCompareWithForeachDefault(tp_self, self, other) : \
 	 default)
 #define DeeType_invoke_seq_tp_iter_DEFAULT(tp_self, tp_iter, self, default) \
 	((tp_iter) == &DeeObject_DefaultIterWithForeach ? DeeObject_TDefaultIterWithForeach(tp_self, self) : \
 	 (tp_iter) == &DeeObject_DefaultIterWithForeachPair ? DeeObject_TDefaultIterWithForeachPair(tp_self, self) : \
 	 (tp_iter) == &DeeSeq_DefaultIterWithSizeAndGetItemIndexFast ? DeeSeq_TDefaultIterWithSizeAndGetItemIndexFast(tp_self, self) : \
-	 (tp_iter) == &DeeSeq_DefaultIterWithTryGetItemIndexAndSize ? DeeSeq_TDefaultIterWithTryGetItemIndexAndSize(tp_self, self) : \
+	 (tp_iter) == &DeeSeq_DefaultIterWithSizeAndTryGetItemIndex ? DeeSeq_TDefaultIterWithSizeAndTryGetItemIndex(tp_self, self) : \
 	 (tp_iter) == &DeeSeq_DefaultIterWithSizeAndGetItemIndex ? DeeSeq_TDefaultIterWithSizeAndGetItemIndex(tp_self, self) : \
 	 (tp_iter) == &DeeSeq_DefaultIterWithGetItemIndex ? DeeSeq_TDefaultIterWithGetItemIndex(tp_self, self) : \
 	 (tp_iter) == &DeeSeq_DefaultIterWithSizeObAndGetItem ? DeeSeq_TDefaultIterWithSizeObAndGetItem(tp_self, self) : \
@@ -3591,8 +3936,9 @@ INTDEF WUNUSED NONNULL((1, 2, 4)) int DCALL DeeSeq_TDefaultSetRangeIndexNWithSiz
 	((tp_foreach) == &DeeObject_DefaultForeachWithIter ? DeeObject_TDefaultForeachWithIter(tp_self, self, proc, arg) : \
 	 (tp_foreach) == &DeeObject_DefaultForeachWithForeachPair ? DeeObject_TDefaultForeachWithForeachPair(tp_self, self, proc, arg) : \
 	 (tp_foreach) == &DeeSeq_DefaultForeachWithSizeAndGetItemIndexFast ? DeeSeq_TDefaultForeachWithSizeAndGetItemIndexFast(tp_self, self, proc, arg) : \
-	 (tp_foreach) == &DeeSeq_DefaultForeachWithTryGetItemIndexAndSize ? DeeSeq_TDefaultForeachWithTryGetItemIndexAndSize(tp_self, self, proc, arg) : \
+	 (tp_foreach) == &DeeSeq_DefaultForeachWithSizeAndTryGetItemIndex ? DeeSeq_TDefaultForeachWithSizeAndTryGetItemIndex(tp_self, self, proc, arg) : \
 	 (tp_foreach) == &DeeSeq_DefaultForeachWithSizeAndGetItemIndex ? DeeSeq_TDefaultForeachWithSizeAndGetItemIndex(tp_self, self, proc, arg) : \
+	 (tp_foreach) == &DeeSeq_DefaultForeachWithSizeObAndGetItem ? DeeSeq_TDefaultForeachWithSizeObAndGetItem(tp_self, self, proc, arg) : \
 	 (tp_foreach) == &DeeSeq_DefaultForeachWithSizeDefaultAndGetItemIndexDefault ? DeeSeq_TDefaultForeachWithSizeDefaultAndGetItemIndexDefault(tp_self, self, proc, arg) : \
 	 (tp_foreach) == &DeeSeq_DefaultForeachWithGetItemIndexDefault ? DeeSeq_TDefaultForeachWithGetItemIndexDefault(tp_self, self, proc, arg) : \
 	 default)
@@ -3644,8 +3990,8 @@ INTDEF WUNUSED NONNULL((1, 2, 4)) int DCALL DeeSeq_TDefaultSetRangeIndexNWithSiz
 	 (tp_getitem) == &DeeObject_DefaultGetItemWithTryGetItemStringLenHash ? DeeObject_TDefaultGetItemWithTryGetItemStringLenHash(tp_self, self, index) : \
 	 (tp_getitem) == &DeeSeq_DefaultGetItemWithTryGetItemAndSizeOb ? DeeSeq_TDefaultGetItemWithTryGetItemAndSizeOb(tp_self, self, index) : \
 	 (tp_getitem) == &DeeSeq_DefaultGetItemWithTryGetItemAndSize ? DeeSeq_TDefaultGetItemWithTryGetItemAndSize(tp_self, self, index) : \
-	 (tp_getitem) == &DeeSeq_DefaultGetItemWithTryGetItemIndexAndSizeOb ? DeeSeq_TDefaultGetItemWithTryGetItemIndexAndSizeOb(tp_self, self, index) : \
-	 (tp_getitem) == &DeeSeq_DefaultGetItemWithTryGetItemIndexAndSize ? DeeSeq_TDefaultGetItemWithTryGetItemIndexAndSize(tp_self, self, index) : \
+	 (tp_getitem) == &DeeSeq_DefaultGetItemWithSizeAndTryGetItemIndexOb ? DeeSeq_TDefaultGetItemWithSizeAndTryGetItemIndexOb(tp_self, self, index) : \
+	 (tp_getitem) == &DeeSeq_DefaultGetItemWithSizeAndTryGetItemIndex ? DeeSeq_TDefaultGetItemWithSizeAndTryGetItemIndex(tp_self, self, index) : \
 	 (tp_getitem) == &DeeMap_DefaultGetItemWithForeachPair ? DeeMap_TDefaultGetItemWithForeachPair(tp_self, self, index) : \
 	 (tp_getitem) == &DeeMap_DefaultGetItemWithForeachPairDefault ? DeeMap_TDefaultGetItemWithForeachPairDefault(tp_self, self, index) : \
 	 default)
@@ -3655,8 +4001,8 @@ INTDEF WUNUSED NONNULL((1, 2, 4)) int DCALL DeeSeq_TDefaultSetRangeIndexNWithSiz
 	 (tp_getitem_index) == &DeeObject_DefaultGetItemIndexWithGetItem ? DeeObject_TDefaultGetItemIndexWithGetItem(tp_self, self, index) : \
 	 (tp_getitem_index) == &DeeObject_DefaultGetItemIndexWithTryGetItem ? DeeObject_TDefaultGetItemIndexWithTryGetItem(tp_self, self, index) : \
 	 (tp_getitem_index) == &DeeObject_DefaultGetItemIndexWithGetItemDefault ? DeeObject_TDefaultGetItemIndexWithGetItemDefault(tp_self, self, index) : \
-	 (tp_getitem_index) == &DeeSeq_DefaultGetItemIndexWithTryGetItemIndexAndSize ? DeeSeq_TDefaultGetItemIndexWithTryGetItemIndexAndSize(tp_self, self, index) : \
-	 (tp_getitem_index) == &DeeSeq_DefaultGetItemIndexWithTryGetItemIndexAndSizeOb ? DeeSeq_TDefaultGetItemIndexWithTryGetItemIndexAndSizeOb(tp_self, self, index) : \
+	 (tp_getitem_index) == &DeeSeq_DefaultGetItemIndexWithSizeAndTryGetItemIndex ? DeeSeq_TDefaultGetItemIndexWithSizeAndTryGetItemIndex(tp_self, self, index) : \
+	 (tp_getitem_index) == &DeeSeq_DefaultGetItemIndexWithSizeAndTryGetItemIndexOb ? DeeSeq_TDefaultGetItemIndexWithSizeAndTryGetItemIndexOb(tp_self, self, index) : \
 	 (tp_getitem_index) == &DeeSeq_DefaultGetItemIndexWithTryGetItemAndSize ? DeeSeq_TDefaultGetItemIndexWithTryGetItemAndSize(tp_self, self, index) : \
 	 (tp_getitem_index) == &DeeSeq_DefaultGetItemIndexWithTryGetItemAndSizeOb ? DeeSeq_TDefaultGetItemIndexWithTryGetItemAndSizeOb(tp_self, self, index) : \
 	 (tp_getitem_index) == &DeeSeq_DefaultGetItemIndexWithForeachDefault ? DeeSeq_TDefaultGetItemIndexWithForeachDefault(tp_self, self, index) : \
@@ -3774,7 +4120,7 @@ INTDEF WUNUSED NONNULL((1, 2, 4)) int DCALL DeeSeq_TDefaultSetRangeIndexNWithSiz
 	 (tp_bounditem) == &DeeObject_DefaultBoundItemWithTryGetItemStringLenHashAndHasItemStringLenHash ? DeeObject_TDefaultBoundItemWithTryGetItemStringLenHashAndHasItemStringLenHash(tp_self, self, index) : \
 	 (tp_bounditem) == &DeeObject_DefaultBoundItemWithTryGetItemStringHashAndHasItemStringHash ? DeeObject_TDefaultBoundItemWithTryGetItemStringHashAndHasItemStringHash(tp_self, self, index) : \
 	 (tp_bounditem) == &DeeSeq_DefaultBoundItemWithTryGetItemAndSizeOb ? DeeSeq_TDefaultBoundItemWithTryGetItemAndSizeOb(tp_self, self, index) : \
-	 (tp_bounditem) == &DeeSeq_DefaultBoundItemWithTryGetItemIndexAndSize ? DeeSeq_TDefaultBoundItemWithTryGetItemIndexAndSize(tp_self, self, index) : \
+	 (tp_bounditem) == &DeeSeq_DefaultBoundItemWithSizeAndTryGetItemIndex ? DeeSeq_TDefaultBoundItemWithSizeAndTryGetItemIndex(tp_self, self, index) : \
 	 (tp_bounditem) == &DeeObject_DefaultBoundItemWithTryGetItem ? DeeObject_TDefaultBoundItemWithTryGetItem(tp_self, self, index) : \
 	 (tp_bounditem) == &DeeObject_DefaultBoundItemWithTryGetItemIndex ? DeeObject_TDefaultBoundItemWithTryGetItemIndex(tp_self, self, index) : \
 	 (tp_bounditem) == &DeeObject_DefaultBoundItemWithTryGetItemStringLenHash ? DeeObject_TDefaultBoundItemWithTryGetItemStringLenHash(tp_self, self, index) : \
@@ -3792,7 +4138,7 @@ INTDEF WUNUSED NONNULL((1, 2, 4)) int DCALL DeeSeq_TDefaultSetRangeIndexNWithSiz
 	 (tp_bounditem_index) == &DeeObject_DefaultBoundItemIndexWithGetItemIndexDefault ? DeeObject_TDefaultBoundItemIndexWithGetItemIndexDefault(tp_self, self, index) : \
 	 (tp_bounditem_index) == &DeeObject_DefaultBoundItemIndexWithTryGetItemIndexAndHasItemIndex ? DeeObject_TDefaultBoundItemIndexWithTryGetItemIndexAndHasItemIndex(tp_self, self, index) : \
 	 (tp_bounditem_index) == &DeeObject_DefaultBoundItemIndexWithTryGetItemAndHasItem ? DeeObject_TDefaultBoundItemIndexWithTryGetItemAndHasItem(tp_self, self, index) : \
-	 (tp_bounditem_index) == &DeeSeq_DefaultBoundItemIndexWithTryGetItemIndexAndSize ? DeeSeq_TDefaultBoundItemIndexWithTryGetItemIndexAndSize(tp_self, self, index) : \
+	 (tp_bounditem_index) == &DeeSeq_DefaultBoundItemIndexWithSizeAndTryGetItemIndex ? DeeSeq_TDefaultBoundItemIndexWithSizeAndTryGetItemIndex(tp_self, self, index) : \
 	 (tp_bounditem_index) == &DeeSeq_DefaultBoundItemIndexWithTryGetItemAndSizeOb ? DeeSeq_TDefaultBoundItemIndexWithTryGetItemAndSizeOb(tp_self, self, index) : \
 	 (tp_bounditem_index) == &DeeMap_DefaultBoundItemIndexWithContains ? DeeMap_TDefaultBoundItemIndexWithContains(tp_self, self, index) : \
 	 (tp_bounditem_index) == &DeeMap_DefaultBoundItemIndexWithForeachPair ? DeeMap_TDefaultBoundItemIndexWithForeachPair(tp_self, self, index) : \
@@ -4035,6 +4381,8 @@ INTDEF WUNUSED NONNULL((1, 2, 4)) int DCALL DeeSeq_TDefaultSetRangeIndexNWithSiz
 	 DeeType_invoke_math_tp_inc_DEFAULT(tp_self, tp_inc, p_self, DeeType_invoke_math_tp_inc_NODEFAULT(tp_self, tp_inc, p_self))
 #define DeeType_invoke_math_tp_dec(tp_self, tp_dec, p_self) \
 	 DeeType_invoke_math_tp_dec_DEFAULT(tp_self, tp_dec, p_self, DeeType_invoke_math_tp_dec_NODEFAULT(tp_self, tp_dec, p_self))
+#define DeeType_invoke_cmp_tp_hash(tp_self, tp_hash, self) \
+	 DeeType_invoke_cmp_tp_hash_DEFAULT(tp_self, tp_hash, self, DeeType_invoke_cmp_tp_hash_NODEFAULT(tp_self, tp_hash, self))
 #define DeeType_invoke_cmp_tp_eq(tp_self, tp_eq, self, other) \
 	 DeeType_invoke_cmp_tp_eq_DEFAULT(tp_self, tp_eq, self, other, DeeType_invoke_cmp_tp_eq_NODEFAULT(tp_self, tp_eq, self, other))
 #define DeeType_invoke_cmp_tp_ne(tp_self, tp_ne, self, other) \
@@ -4047,6 +4395,10 @@ INTDEF WUNUSED NONNULL((1, 2, 4)) int DCALL DeeSeq_TDefaultSetRangeIndexNWithSiz
 	 DeeType_invoke_cmp_tp_gr_DEFAULT(tp_self, tp_gr, self, other, DeeType_invoke_cmp_tp_gr_NODEFAULT(tp_self, tp_gr, self, other))
 #define DeeType_invoke_cmp_tp_ge(tp_self, tp_ge, self, other) \
 	 DeeType_invoke_cmp_tp_ge_DEFAULT(tp_self, tp_ge, self, other, DeeType_invoke_cmp_tp_ge_NODEFAULT(tp_self, tp_ge, self, other))
+#define DeeType_invoke_cmp_tp_compare_eq(tp_self, tp_compare_eq, self, other) \
+	 DeeType_invoke_cmp_tp_compare_eq_DEFAULT(tp_self, tp_compare_eq, self, other, DeeType_invoke_cmp_tp_compare_eq_NODEFAULT(tp_self, tp_compare_eq, self, other))
+#define DeeType_invoke_cmp_tp_compare(tp_self, tp_compare, self, other) \
+	 DeeType_invoke_cmp_tp_compare_DEFAULT(tp_self, tp_compare, self, other, DeeType_invoke_cmp_tp_compare_NODEFAULT(tp_self, tp_compare, self, other))
 #define DeeType_invoke_seq_tp_iter(tp_self, tp_iter, self) \
 	 DeeType_invoke_seq_tp_iter_DEFAULT(tp_self, tp_iter, self, DeeType_invoke_seq_tp_iter_NODEFAULT(tp_self, tp_iter, self))
 #define DeeType_invoke_seq_tp_foreach(tp_self, tp_foreach, self, proc, arg) \
@@ -4152,9 +4504,6 @@ INTDEF WUNUSED NONNULL((1, 2, 4)) int DCALL DeeSeq_TDefaultSetRangeIndexNWithSiz
 #define DeeType_invoke_math_tp_neg_DEFAULT(tp_self, tp_neg, self, default) default
 #define DeeType_invoke_math_tp_neg(tp_self, tp_neg, self) \
 	DeeType_invoke_math_tp_neg_DEFAULT(tp_self, tp_neg, self, DeeType_invoke_math_tp_neg_NODEFAULT(tp_self, tp_neg, self))
-#define DeeType_invoke_cmp_tp_hash_DEFAULT(tp_self, tp_hash, self, default) default
-#define DeeType_invoke_cmp_tp_hash(tp_self, tp_hash, self) \
-	DeeType_invoke_cmp_tp_hash_DEFAULT(tp_self, tp_hash, self, DeeType_invoke_cmp_tp_hash_NODEFAULT(tp_self, tp_hash, self))
 #define DeeType_invoke_attr_tp_getattr_DEFAULT(tp_self, tp_getattr, self, name, default) default
 #define DeeType_invoke_attr_tp_getattr(tp_self, tp_getattr, self, name) \
 	DeeType_invoke_attr_tp_getattr_DEFAULT(tp_self, tp_getattr, self, name, DeeType_invoke_attr_tp_getattr_NODEFAULT(tp_self, tp_getattr, self, name))
@@ -4267,6 +4616,10 @@ INTDEF WUNUSED NONNULL((1, 2, 4)) int DCALL DeeSeq_TDefaultSetRangeIndexNWithSiz
 #define DeeType_InvokeCmpGr_NODEFAULT(tp_self, self, other)                                      DeeType_invoke_cmp_tp_gr_NODEFAULT(tp_self, (tp_self)->tp_cmp->tp_gr, self, other)
 #define DeeType_InvokeCmpGe(tp_self, self, other)                                                DeeType_invoke_cmp_tp_ge(tp_self, (tp_self)->tp_cmp->tp_ge, self, other)
 #define DeeType_InvokeCmpGe_NODEFAULT(tp_self, self, other)                                      DeeType_invoke_cmp_tp_ge_NODEFAULT(tp_self, (tp_self)->tp_cmp->tp_ge, self, other)
+#define DeeType_InvokeCmpCompareEq(tp_self, self, other)                                         DeeType_invoke_cmp_tp_compare_eq(tp_self, (tp_self)->tp_cmp->tp_compare_eq, self, other)
+#define DeeType_InvokeCmpCompareEq_NODEFAULT(tp_self, self, other)                               DeeType_invoke_cmp_tp_compare_eq_NODEFAULT(tp_self, (tp_self)->tp_cmp->tp_compare_eq, self, other)
+#define DeeType_InvokeCmpCompare(tp_self, self, other)                                           DeeType_invoke_cmp_tp_compare(tp_self, (tp_self)->tp_cmp->tp_compare, self, other)
+#define DeeType_InvokeCmpCompare_NODEFAULT(tp_self, self, other)                                 DeeType_invoke_cmp_tp_compare_NODEFAULT(tp_self, (tp_self)->tp_cmp->tp_compare, self, other)
 #define DeeType_InvokeSeqIter(tp_self, self)                                                     DeeType_invoke_seq_tp_iter(tp_self, (tp_self)->tp_seq->tp_iter, self)
 #define DeeType_InvokeSeqIter_NODEFAULT(tp_self, self)                                           DeeType_invoke_seq_tp_iter_NODEFAULT(tp_self, (tp_self)->tp_seq->tp_iter, self)
 #define DeeType_InvokeSeqSizeOb(tp_self, self)                                                   DeeType_invoke_seq_tp_sizeob(tp_self, (tp_self)->tp_seq->tp_sizeob, self)
diff --git a/include/deemon/object.h b/include/deemon/object.h
index c86bbd522..5b5410217 100644
--- a/include/deemon/object.h
+++ b/include/deemon/object.h
@@ -1905,6 +1905,13 @@ struct Dee_type_cmp {
 	 *       them to be ordered with other operators. */
 	struct Dee_type_nii Dee_tpconst *tp_nii; /* TODO: Deprecated */
 
+	/* Same as "tp_compare", but only needs to support equal/not-equal compare:
+	 * @return: Dee_COMPARE_ERR: An error occurred.
+	 * @return: -1: `lhs != rhs'
+	 * @return: 0:  `lhs == rhs'
+	 * @return: 1:  `lhs != rhs' */
+	WUNUSED_T NONNULL_T((1, 2)) int (DCALL *tp_compare_eq)(DeeObject *self, DeeObject *some_object);
+
 	/* Rich-compare operator that can be defined instead
 	 * of `tp_eq', `tp_ne', `tp_lo', `tp_le', `tp_gr', `tp_ge'
 	 * @return: Dee_COMPARE_ERR: An error occurred.
@@ -1912,12 +1919,6 @@ struct Dee_type_cmp {
 	 * @return: 0:  `lhs == rhs'
 	 * @return: 1:  `lhs > rhs' */
 	WUNUSED_T NONNULL_T((1, 2)) int (DCALL *tp_compare)(DeeObject *self, DeeObject *some_object);
-	/* Same as "tp_compare", but only needs to support equal/not-equal compare:
-	 * @return: Dee_COMPARE_ERR: An error occurred.
-	 * @return: -1: `lhs != rhs'
-	 * @return: 0:  `lhs == rhs'
-	 * @return: 1:  `lhs != rhs' */
-	WUNUSED_T NONNULL_T((1, 2)) int (DCALL *tp_compare_eq)(DeeObject *self, DeeObject *some_object);
 };
 
 typedef WUNUSED_T NONNULL_T((2)) Dee_ssize_t (DCALL *Dee_foreach_t)(void *arg, DeeObject *elem);
@@ -3898,8 +3899,7 @@ INTDEF NONNULL((1)) bool DCALL DeeType_InheritAnd(DeeTypeObject *__restrict self
 INTDEF NONNULL((1)) bool DCALL DeeType_InheritOr(DeeTypeObject *__restrict self);           /* tp_or, tp_inplace_or */
 INTDEF NONNULL((1)) bool DCALL DeeType_InheritXor(DeeTypeObject *__restrict self);          /* tp_xor, tp_inplace_xor */
 INTDEF NONNULL((1)) bool DCALL DeeType_InheritPow(DeeTypeObject *__restrict self);          /* tp_pow, tp_inplace_pow */
-INTDEF NONNULL((1)) bool DCALL DeeType_InheritHash(DeeTypeObject *__restrict self);         /* tp_hash, tp_eq, tp_ne  (in order to inherit "tp_hash", must also inherit "tp_eq" and "tp_ne") */
-INTDEF NONNULL((1)) bool DCALL DeeType_InheritCompare(DeeTypeObject *__restrict self);      /* tp_eq, tp_ne, tp_lo, tp_le, tp_gr, tp_ge */
+INTDEF NONNULL((1)) bool DCALL DeeType_InheritCompare(DeeTypeObject *__restrict self);      /* tp_hash, tp_eq, tp_ne, tp_lo, tp_le, tp_gr, tp_ge, tp_compare_eq, tp_compare */
 INTDEF NONNULL((1)) bool DCALL DeeType_InheritIterNext(DeeTypeObject *__restrict self);     /* tp_iter_next */
 INTDEF NONNULL((1)) bool DCALL DeeType_InheritIter(DeeTypeObject *__restrict self);         /* tp_iter, tp_foreach, tp_foreach_pair */
 INTDEF NONNULL((1)) bool DCALL DeeType_InheritSize(DeeTypeObject *__restrict self);         /* tp_sizeob, tp_size */
@@ -3934,7 +3934,6 @@ INTDEF NONNULL((1)) bool DCALL DeeType_InheritBuffer(DeeTypeObject *__restrict s
 #define DeeType_InheritOr(self)           DeeType_InheritOperator(self, OPERATOR_OR)
 #define DeeType_InheritXor(self)          DeeType_InheritOperator(self, OPERATOR_XOR)
 #define DeeType_InheritPow(self)          DeeType_InheritOperator(self, OPERATOR_POW)
-#define DeeType_InheritHash(self)         DeeType_InheritOperator(self, OPERATOR_HASH)
 #define DeeType_InheritCompare(self)      DeeType_InheritOperator(self, OPERATOR_EQ)
 #define DeeType_InheritIterNext(self)     DeeType_InheritOperator(self, OPERATOR_ITERNEXT)
 #define DeeType_InheritIter(self)         DeeType_InheritOperator(self, OPERATOR_ITER)
@@ -4473,18 +4472,25 @@ DFUNDEF WUNUSED NONNULL((1, 2)) int (DCALL DeeObject_CompareLe)(DeeObject *self,
 DFUNDEF WUNUSED NONNULL((1, 2)) int (DCALL DeeObject_CompareGr)(DeeObject *self, DeeObject *some_object);
 DFUNDEF WUNUSED NONNULL((1, 2)) int (DCALL DeeObject_CompareGe)(DeeObject *self, DeeObject *some_object);
 
-/* @return: == Dee_COMPARE_ERR: An error occurred.
- * @return: == -1: `lhs < rhs'
+/* @return: == -1: `lhs < rhs'
  * @return: == 0:  `lhs == rhs'
- * @return: == 1:  `lhs > rhs' */
+ * @return: == 1:  `lhs > rhs'
+ * @return: == Dee_COMPARE_ERR: An error occurred. */
 DFUNDEF WUNUSED NONNULL((1, 2)) int
 (DCALL DeeObject_Compare)(DeeObject *lhs, DeeObject *rhs);
 
+/* @return: == -1: `lhs != rhs'
+ * @return: == 0:  `lhs == rhs'
+ * @return: == 1:  `lhs != rhs'
+ * @return: == Dee_COMPARE_ERR: An error occurred. */
+DFUNDEF WUNUSED NONNULL((1, 2)) int
+(DCALL DeeObject_CompareForEquality)(DeeObject *lhs, DeeObject *rhs);
+
 /* Compare a pre-keyed `lhs_keyed' with `rhs' using the given (optional) `key' function
- * @return: == Dee_COMPARE_ERR: An error occurred.
  * @return: == -1: `lhs_keyed < key(rhs)'
  * @return: == 0:  `lhs_keyed == key(rhs)'
- * @return: == 1:  `lhs_keyed > key(rhs)' */
+ * @return: == 1:  `lhs_keyed > key(rhs)'
+ * @return: == Dee_COMPARE_ERR: An error occurred. */
 DFUNDEF WUNUSED NONNULL((1, 2)) int
 (DCALL DeeObject_CompareKey)(DeeObject *lhs_keyed,
                              DeeObject *rhs, /*nullable*/ DeeObject *key);
diff --git a/src/deemon/objects/dict.c b/src/deemon/objects/dict.c
index cd39a1a3c..0a2e08937 100644
--- a/src/deemon/objects/dict.c
+++ b/src/deemon/objects/dict.c
@@ -2408,52 +2408,6 @@ dict_printrepr(Dict *__restrict self,
 	return temp;
 }
 
-PRIVATE WUNUSED NONNULL((1)) dhash_t DCALL
-dict_hash(Dict *__restrict self) {
-	dhash_t result;
-	struct dict_item *iter, *end;
-	struct dict_item *vector;
-	size_t mask;
-again:
-	result = DEE_HASHOF_EMPTY_SEQUENCE;
-	DeeDict_LockRead(self);
-	vector = self->d_elem;
-	mask   = self->d_mask;
-	end    = (iter = vector) + (mask + 1);
-	for (; iter < end; ++iter) {
-		DREF DeeObject *key, *value;
-		key = iter->di_key;
-		if (key == NULL || key == dummy)
-			continue;
-		value = iter->di_value;
-		Dee_Incref(key);
-		Dee_Incref(value);
-		DeeDict_LockEndRead(self);
-		result ^= Dee_HashCombine(DeeObject_Hash(key),
-		                          DeeObject_Hash(value));
-		Dee_Decref(value);
-		Dee_Decref(key);
-		DeeDict_LockRead(self);
-		if unlikely(self->d_elem != vector ||
-		            self->d_mask != mask) {
-			DeeDict_LockEndRead(self);
-			goto again;
-		}
-	}
-	DeeDict_LockEndRead(self);
-	return result;
-}
-
-PRIVATE struct type_cmp dict_cmp = {
-	/* .tp_hash = */ (dhash_t (DCALL *)(DeeObject *__restrict))&dict_hash,
-	/* .tp_eq   = */ (DREF DeeObject *(DCALL *)(DeeObject *, DeeObject *))NULL, // TODO: &dict_eq,
-	/* .tp_ne   = */ (DREF DeeObject *(DCALL *)(DeeObject *, DeeObject *))NULL, // TODO: &dict_ne,
-	/* .tp_lo   = */ (DREF DeeObject *(DCALL *)(DeeObject *, DeeObject *))NULL, // TODO: &dict_lo,
-	/* .tp_le   = */ (DREF DeeObject *(DCALL *)(DeeObject *, DeeObject *))NULL, // TODO: &dict_le,
-	/* .tp_gr   = */ (DREF DeeObject *(DCALL *)(DeeObject *, DeeObject *))NULL, // TODO: &dict_gr,
-	/* .tp_ge   = */ (DREF DeeObject *(DCALL *)(DeeObject *, DeeObject *))NULL, // TODO: &dict_ge,
-};
-
 PRIVATE WUNUSED NONNULL((1)) int DCALL
 dict_bool(Dict *__restrict self) {
 	return atomic_read(&self->d_used) != 0;
@@ -2834,7 +2788,7 @@ PUBLIC DeeTypeObject DeeDict_Type = {
 	/* .tp_visit         = */ (void (DCALL *)(DeeObject *__restrict, dvisit_t, void *))&dict_visit,
 	/* .tp_gc            = */ &dict_gc,
 	/* .tp_math          = */ NULL,
-	/* .tp_cmp           = */ &dict_cmp,
+	/* .tp_cmp           = */ NULL, /* TODO: &dict_cmp */
 	/* .tp_seq           = */ &dict_seq,
 	/* .tp_iter_next     = */ NULL,
 	/* .tp_attr          = */ NULL,
diff --git a/src/deemon/objects/hashset.c b/src/deemon/objects/hashset.c
index d34595945..77f1d31b1 100644
--- a/src/deemon/objects/hashset.c
+++ b/src/deemon/objects/hashset.c
@@ -1847,38 +1847,6 @@ hashset_printrepr(HashSet *__restrict self,
 	return temp;
 }
 
-PRIVATE WUNUSED NONNULL((1)) dhash_t DCALL
-hashset_hash(HashSet *__restrict self) {
-	dhash_t result;
-	struct hashset_item *iter, *end;
-	struct hashset_item *vector;
-	size_t mask;
-again:
-	result = DEE_HASHOF_EMPTY_SEQUENCE;
-	DeeHashSet_LockRead(self);
-	vector = self->hs_elem;
-	mask   = self->hs_mask;
-	end    = (iter = vector) + (mask + 1);
-	for (; iter < end; ++iter) {
-		DREF DeeObject *key;
-		key = iter->hsi_key;
-		if (key == NULL || key == dummy)
-			continue;
-		Dee_Incref(key);
-		DeeHashSet_LockEndRead(self);
-		result ^= DeeObject_Hash(key);
-		Dee_Decref(key);
-		DeeHashSet_LockRead(self);
-		if unlikely(self->hs_elem != vector ||
-		            self->hs_mask != mask) {
-			DeeHashSet_LockEndRead(self);
-			goto again;
-		}
-	}
-	DeeHashSet_LockEndRead(self);
-	return result;
-}
-
 PRIVATE struct type_nsi tpconst hashset_nsi = {
 	/* .nsi_class   = */ TYPE_SEQX_CLASS_SET,
 	/* .nsi_flags   = */ TYPE_SEQX_FMUTABLE | TYPE_SEQX_FRESIZABLE,
@@ -1891,16 +1859,6 @@ PRIVATE struct type_nsi tpconst hashset_nsi = {
 	}
 };
 
-PRIVATE struct type_cmp hashset_cmp = {
-	/* .tp_hash = */ (dhash_t (DCALL *)(DeeObject *__restrict))&hashset_hash,
-	/* .tp_eq   = */ (DREF DeeObject *(DCALL *)(DeeObject *, DeeObject *))NULL, // TODO: &hashset_eq,
-	/* .tp_ne   = */ (DREF DeeObject *(DCALL *)(DeeObject *, DeeObject *))NULL, // TODO: &hashset_ne,
-	/* .tp_lo   = */ (DREF DeeObject *(DCALL *)(DeeObject *, DeeObject *))NULL, // TODO: &hashset_lo,
-	/* .tp_le   = */ (DREF DeeObject *(DCALL *)(DeeObject *, DeeObject *))NULL, // TODO: &hashset_le,
-	/* .tp_gr   = */ (DREF DeeObject *(DCALL *)(DeeObject *, DeeObject *))NULL, // TODO: &hashset_gr,
-	/* .tp_ge   = */ (DREF DeeObject *(DCALL *)(DeeObject *, DeeObject *))NULL, // TODO: &hashset_ge,
-};
-
 PRIVATE struct type_seq hashset_seq = {
 	/* .tp_iter                       = */ (DREF DeeObject *(DCALL *)(DeeObject *__restrict))&hashset_iter,
 	/* .tp_sizeob                     = */ NULL,
@@ -2256,7 +2214,7 @@ PUBLIC DeeTypeObject DeeHashSet_Type = {
 	/* .tp_visit         = */ (void (DCALL *)(DeeObject *__restrict, dvisit_t, void *))&hashset_visit,
 	/* .tp_gc            = */ &hashset_gc,
 	/* .tp_math          = */ NULL,
-	/* .tp_cmp           = */ &hashset_cmp,
+	/* .tp_cmp           = */ NULL, /* TODO: &hashset_cmp */
 	/* .tp_seq           = */ &hashset_seq,
 	/* .tp_iter_next     = */ NULL,
 	/* .tp_attr          = */ NULL,
diff --git a/src/deemon/objects/rodict.c b/src/deemon/objects/rodict.c
index da4e3856c..f039fe844 100644
--- a/src/deemon/objects/rodict.c
+++ b/src/deemon/objects/rodict.c
@@ -825,24 +825,6 @@ rodict_printrepr(RoDict *__restrict self,
 	return temp;
 }
 
-PRIVATE WUNUSED NONNULL((1)) Dee_hash_t DCALL
-rodict_hash(RoDict *__restrict self) {
-	size_t i;
-	Dee_hash_t result = DEE_HASHOF_EMPTY_SEQUENCE;
-	for (i = 0; i <= self->rd_mask; ++i) {
-		if (!self->rd_elem[i].rdi_key)
-			continue;
-		/* Note that we still combine the hashes for the key and value,
-		 * thus not only mirroring the behavior of hash of the item (that
-		 * is the tuple `(key, value)', including the order between the
-		 * key and value within the hash, so that swapping the key and
-		 * value would produce a different hash) */
-		result ^= Dee_HashCombine(DeeObject_Hash(self->rd_elem[i].rdi_key),
-		                          DeeObject_Hash(self->rd_elem[i].rdi_value));
-	}
-	return result;
-}
-
 PRIVATE WUNUSED NONNULL((1)) size_t DCALL
 rodict_size(RoDict *__restrict self) {
 	ASSERT(self->rd_size != (size_t)-1);
@@ -1016,16 +998,6 @@ PRIVATE struct type_nsi tpconst rodict_nsi = {
 };
 
 
-PRIVATE struct type_cmp rodict_cmp = {
-	/* .tp_hash = */ (Dee_hash_t (DCALL *)(DeeObject *__restrict))&rodict_hash,
-	/* .tp_eq   = */ (DREF DeeObject *(DCALL *)(DeeObject *, DeeObject *))NULL, // TODO: &rodict_eq,
-	/* .tp_ne   = */ (DREF DeeObject *(DCALL *)(DeeObject *, DeeObject *))NULL, // TODO: &rodict_ne,
-	/* .tp_lo   = */ (DREF DeeObject *(DCALL *)(DeeObject *, DeeObject *))NULL, // TODO: &rodict_lo,
-	/* .tp_le   = */ (DREF DeeObject *(DCALL *)(DeeObject *, DeeObject *))NULL, // TODO: &rodict_le,
-	/* .tp_gr   = */ (DREF DeeObject *(DCALL *)(DeeObject *, DeeObject *))NULL, // TODO: &rodict_gr,
-	/* .tp_ge   = */ (DREF DeeObject *(DCALL *)(DeeObject *, DeeObject *))NULL, // TODO: &rodict_ge,
-};
-
 PRIVATE struct type_seq rodict_seq = {
 	/* .tp_iter                       = */ (DREF DeeObject *(DCALL *)(DeeObject *__restrict))&rodict_iter,
 	/* .tp_sizeob                     = */ NULL,
@@ -1235,7 +1207,7 @@ PUBLIC DeeTypeObject DeeRoDict_Type = {
 	/* .tp_visit         = */ (void (DCALL *)(DeeObject *__restrict, dvisit_t, void *))&rodict_visit,
 	/* .tp_gc            = */ NULL,
 	/* .tp_math          = */ NULL,
-	/* .tp_cmp           = */ &rodict_cmp,
+	/* .tp_cmp           = */ NULL, /* TODO: &rodict_cmp */
 	/* .tp_seq           = */ &rodict_seq,
 	/* .tp_iter_next     = */ NULL,
 	/* .tp_attr          = */ NULL,
diff --git a/src/deemon/objects/roset.c b/src/deemon/objects/roset.c
index b1ee52ff6..c0cb690bc 100644
--- a/src/deemon/objects/roset.c
+++ b/src/deemon/objects/roset.c
@@ -488,18 +488,6 @@ roset_printrepr(RoSet *__restrict self,
 	return temp;
 }
 
-PRIVATE WUNUSED NONNULL((1)) dhash_t DCALL
-roset_hash(RoSet *__restrict self) {
-	size_t i;
-	dhash_t result = DEE_HASHOF_EMPTY_SEQUENCE;
-	for (i = 0; i <= self->rs_mask; ++i) {
-		if (!self->rs_elem[i].rsi_key)
-			continue;
-		result ^= DeeObject_Hash(self->rs_elem[i].rsi_key);
-	}
-	return result;
-}
-
 PRIVATE WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL
 roset_foreach(RoSet *self, Dee_foreach_t proc, void *arg) {
 	Dee_ssize_t temp, result = 0;
@@ -518,16 +506,6 @@ roset_foreach(RoSet *self, Dee_foreach_t proc, void *arg) {
 	return temp;
 }
 
-PRIVATE struct type_cmp roset_cmp = {
-	/* .tp_hash = */ (dhash_t (DCALL *)(DeeObject *__restrict))&roset_hash,
-	/* .tp_eq   = */ (DREF DeeObject *(DCALL *)(DeeObject *, DeeObject *))NULL, // TODO: &roset_eq,
-	/* .tp_ne   = */ (DREF DeeObject *(DCALL *)(DeeObject *, DeeObject *))NULL, // TODO: &roset_ne,
-	/* .tp_lo   = */ (DREF DeeObject *(DCALL *)(DeeObject *, DeeObject *))NULL, // TODO: &roset_lo,
-	/* .tp_le   = */ (DREF DeeObject *(DCALL *)(DeeObject *, DeeObject *))NULL, // TODO: &roset_le,
-	/* .tp_gr   = */ (DREF DeeObject *(DCALL *)(DeeObject *, DeeObject *))NULL, // TODO: &roset_gr,
-	/* .tp_ge   = */ (DREF DeeObject *(DCALL *)(DeeObject *, DeeObject *))NULL, // TODO: &roset_ge,
-};
-
 PRIVATE struct type_seq roset_seq = {
 	/* .tp_iter                       = */ (DREF DeeObject *(DCALL *)(DeeObject *__restrict))&roset_iter,
 	/* .tp_sizeob                     = */ NULL,
@@ -711,7 +689,7 @@ PUBLIC DeeTypeObject DeeRoSet_Type = {
 	/* .tp_visit         = */ (void (DCALL *)(DeeObject *__restrict, dvisit_t, void *))&roset_visit,
 	/* .tp_gc            = */ NULL,
 	/* .tp_math          = */ NULL,
-	/* .tp_cmp           = */ &roset_cmp,
+	/* .tp_cmp           = */ NULL, /* TODO: &roset_cmp */
 	/* .tp_seq           = */ &roset_seq,
 	/* .tp_iter_next     = */ NULL,
 	/* .tp_attr          = */ NULL,
diff --git a/src/deemon/objects/seq/default-compare-impl.c.inl b/src/deemon/objects/seq/default-compare-impl.c.inl
new file mode 100644
index 000000000..9a14c142d
--- /dev/null
+++ b/src/deemon/objects/seq/default-compare-impl.c.inl
@@ -0,0 +1,1734 @@
+/* Copyright (c) 2018-2024 Griefer@Work                                       *
+ *                                                                            *
+ * This software is provided 'as-is', without any express or implied          *
+ * warranty. In no event will the authors be held liable for any damages      *
+ * arising from the use of this software.                                     *
+ *                                                                            *
+ * Permission is granted to anyone to use this software for any purpose,      *
+ * including commercial applications, and to alter it and redistribute it     *
+ * freely, subject to the following restrictions:                             *
+ *                                                                            *
+ * 1. The origin of this software must not be misrepresented; you must not    *
+ *    claim that you wrote the original software. If you use this software    *
+ *    in a product, an acknowledgement (see the following) in the product     *
+ *    documentation is required:                                              *
+ *    Portions Copyright (c) 2018-2024 Griefer@Work                           *
+ * 2. Altered source versions must be plainly marked as such, and must not be *
+ *    misrepresented as being the original software.                          *
+ * 3. This notice may not be removed or altered from any source distribution. *
+ */
+#ifdef __INTELLISENSE__
+#include "default-compare.c"
+//#define DEFINE_compare
+#define DEFINE_compareeq
+#endif /* __INTELLISENSE__ */
+
+#include <deemon/int.h>
+#include <deemon/thread.h>
+
+#if (defined(DEFINE_compare) + defined(DEFINE_compareeq) != 1)
+#error "Must #define exactly one of these macros"
+#endif
+
+#ifdef DEFINE_compareeq
+#define LOCAL_seq_compare__(x)   seq_compareeq__##x
+#define LOCAL_seq_docompare__(x) seq_docompareeq__##x
+#else /* DEFINE_compareeq */
+#define LOCAL_seq_compare__(x)   seq_compare__##x
+#define LOCAL_seq_docompare__(x) seq_docompare__##x
+#endif /* !DEFINE_compareeq */
+
+DECL_BEGIN
+
+#ifdef DEFINE_compareeq
+#define LOCAL_DeeObject_Compare                   DeeObject_CompareForEquality
+#define LOCAL_SEQ_COMPARE_FOREACH_RESULT_EQUAL    SEQ_COMPAREEQ_FOREACH_RESULT_EQUAL
+#define LOCAL_SEQ_COMPARE_FOREACH_RESULT_ERROR    SEQ_COMPAREEQ_FOREACH_RESULT_ERROR
+#define LOCAL_SEQ_COMPARE_FOREACH_RESULT_LESS     SEQ_COMPAREEQ_FOREACH_RESULT_NOTEQUAL
+#define LOCAL_SEQ_COMPARE_FOREACH_RESULT_GREATER  SEQ_COMPAREEQ_FOREACH_RESULT_NOTEQUAL
+#define LOCAL_SEQ_COMPARE_FOREACH_RESULT_FROMCOMPARE(compare_result) \
+	((compare_result) == 0 ? SEQ_COMPAREEQ_FOREACH_RESULT_ERROR : SEQ_COMPAREEQ_FOREACH_RESULT_NOTEQUAL)
+#define LOCAL_SEQ_COMPARE_FOREACH_RESULT_FROMCOMPARE_NE(compare_result) \
+	(SEQ_COMPAREEQ_FOREACH_RESULT_NOTEQUAL)
+#else /* DEFINE_compareeq */
+#define LOCAL_DeeObject_Compare                   DeeObject_Compare
+#define LOCAL_SEQ_COMPARE_FOREACH_RESULT_EQUAL    SEQ_COMPARE_FOREACH_RESULT_EQUAL
+#define LOCAL_SEQ_COMPARE_FOREACH_RESULT_ERROR    SEQ_COMPARE_FOREACH_RESULT_ERROR
+#define LOCAL_SEQ_COMPARE_FOREACH_RESULT_LESS     SEQ_COMPARE_FOREACH_RESULT_LESS
+#define LOCAL_SEQ_COMPARE_FOREACH_RESULT_GREATER  SEQ_COMPARE_FOREACH_RESULT_GREATER
+#define LOCAL_SEQ_COMPARE_FOREACH_RESULT_FROMCOMPARE(compare_result) \
+	((compare_result) < 0 ? SEQ_COMPARE_FOREACH_RESULT_LESS : (compare_result) > 0 ? SEQ_COMPARE_FOREACH_RESULT_GREATER : SEQ_COMPARE_FOREACH_RESULT_EQUAL)
+#define LOCAL_SEQ_COMPARE_FOREACH_RESULT_FROMCOMPARE_NE(compare_result) \
+	((compare_result) < 0 ? SEQ_COMPARE_FOREACH_RESULT_LESS : SEQ_COMPARE_FOREACH_RESULT_GREATER)
+#endif /* !DEFINE_compareeq */
+
+
+/************************************************************************/
+/* seq_compareforeach__size_and_getitem_index__data                     */
+/************************************************************************/
+INTERN WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL
+LOCAL_seq_compare__(lhs_foreach__rhs_size_and_getitem_index_fast__cb)(void *arg, DeeObject *lhs_elem) {
+	int temp;
+	DREF DeeObject *rhs_elem;
+	struct seq_compareforeach__size_and_getitem_index__data *data;
+	data = (struct seq_compareforeach__size_and_getitem_index__data *)arg;
+	if (data->scf_sgi_oindex >= data->scf_sgi_osize)
+		return LOCAL_SEQ_COMPARE_FOREACH_RESULT_GREATER; /* lhs > rhs */
+	rhs_elem = (*data->scf_sgi_ogetitem_index)(data->scf_sgi_other, data->scf_sgi_oindex++);
+	if unlikely(!rhs_elem) {
+		/* RHS Unbound item, or premature lhs sequence end */
+		return LOCAL_SEQ_COMPARE_FOREACH_RESULT_GREATER; /* lhs > rhs */
+	}
+	temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+	Dee_Decref(rhs_elem);
+	if unlikely(temp == Dee_COMPARE_ERR)
+		goto err;
+	return LOCAL_SEQ_COMPARE_FOREACH_RESULT_FROMCOMPARE(temp);
+err:
+	return LOCAL_SEQ_COMPARE_FOREACH_RESULT_ERROR;
+}
+
+INTERN WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL
+LOCAL_seq_compare__(lhs_foreach__rhs_size_and_trygetitem_index__cb)(void *arg, DeeObject *lhs_elem) {
+	int temp;
+	DREF DeeObject *rhs_elem;
+	struct seq_compareforeach__size_and_getitem_index__data *data;
+	data = (struct seq_compareforeach__size_and_getitem_index__data *)arg;
+	if (data->scf_sgi_oindex >= data->scf_sgi_osize)
+		return LOCAL_SEQ_COMPARE_FOREACH_RESULT_GREATER; /* lhs > rhs */
+	rhs_elem = (*data->scf_sgi_ogetitem_index)(data->scf_sgi_other, data->scf_sgi_oindex++);
+	if unlikely(!ITER_ISOK(rhs_elem)) {
+		if unlikely(!rhs_elem)
+			goto err;
+		/* RHS Unbound item, or premature lhs sequence end */
+		return LOCAL_SEQ_COMPARE_FOREACH_RESULT_GREATER; /* lhs > rhs */
+	}
+	temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+	Dee_Decref(rhs_elem);
+	if unlikely(temp == Dee_COMPARE_ERR)
+		goto err;
+	return LOCAL_SEQ_COMPARE_FOREACH_RESULT_FROMCOMPARE(temp);
+err:
+	return LOCAL_SEQ_COMPARE_FOREACH_RESULT_ERROR;
+}
+
+INTERN WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL
+LOCAL_seq_compare__(lhs_foreach__rhs_size_and_getitem_index__cb)(void *arg, DeeObject *lhs_elem) {
+	int temp;
+	DREF DeeObject *rhs_elem;
+	struct seq_compareforeach__size_and_getitem_index__data *data;
+	data = (struct seq_compareforeach__size_and_getitem_index__data *)arg;
+	if (data->scf_sgi_oindex >= data->scf_sgi_osize)
+		return LOCAL_SEQ_COMPARE_FOREACH_RESULT_GREATER; /* lhs > rhs */
+	rhs_elem = (*data->scf_sgi_ogetitem_index)(data->scf_sgi_other, data->scf_sgi_oindex++);
+	if unlikely(!rhs_elem) {
+		if (!DeeError_Catch(&DeeError_UnboundItem) &&
+		    !DeeError_Catch(&DeeError_IndexError))
+			goto err;
+		/* RHS Unbound item, or premature lhs sequence end */
+		return LOCAL_SEQ_COMPARE_FOREACH_RESULT_GREATER; /* lhs > rhs */
+	}
+	temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+	Dee_Decref(rhs_elem);
+	if unlikely(temp == Dee_COMPARE_ERR)
+		goto err;
+	return LOCAL_SEQ_COMPARE_FOREACH_RESULT_FROMCOMPARE(temp);
+err:
+	return LOCAL_SEQ_COMPARE_FOREACH_RESULT_ERROR;
+}
+
+INTERN WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL
+LOCAL_seq_compare__(lhs_size_and_getitem_index_fast__rhs_foreach__cb)(void *arg, DeeObject *rhs_elem) {
+	int temp;
+	DREF DeeObject *lhs_elem;
+	struct seq_compareforeach__size_and_getitem_index__data *data;
+	data = (struct seq_compareforeach__size_and_getitem_index__data *)arg;
+	if (data->scf_sgi_oindex >= data->scf_sgi_osize)
+		return LOCAL_SEQ_COMPARE_FOREACH_RESULT_LESS; /* lhs < rhs */
+	lhs_elem = (*data->scf_sgi_ogetitem_index)(data->scf_sgi_other, data->scf_sgi_oindex++);
+	if unlikely(!lhs_elem) {
+		/* RHS Unbound item, or premature lhs sequence end */
+		return LOCAL_SEQ_COMPARE_FOREACH_RESULT_LESS; /* lhs < rhs */
+	}
+	temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+	Dee_Decref(lhs_elem);
+	if unlikely(temp == Dee_COMPARE_ERR)
+		goto err;
+	return LOCAL_SEQ_COMPARE_FOREACH_RESULT_FROMCOMPARE(temp);
+err:
+	return LOCAL_SEQ_COMPARE_FOREACH_RESULT_ERROR;
+}
+
+INTERN WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL
+LOCAL_seq_compare__(lhs_size_and_trygetitem_index__rhs_foreach__cb)(void *arg, DeeObject *rhs_elem) {
+	int temp;
+	DREF DeeObject *lhs_elem;
+	struct seq_compareforeach__size_and_getitem_index__data *data;
+	data = (struct seq_compareforeach__size_and_getitem_index__data *)arg;
+	if (data->scf_sgi_oindex >= data->scf_sgi_osize)
+		return LOCAL_SEQ_COMPARE_FOREACH_RESULT_LESS; /* lhs < rhs */
+	lhs_elem = (*data->scf_sgi_ogetitem_index)(data->scf_sgi_other, data->scf_sgi_oindex++);
+	if unlikely(!ITER_ISOK(lhs_elem)) {
+		if unlikely(!lhs_elem)
+			goto err;
+		/* RHS Unbound item, or premature lhs sequence end */
+		return LOCAL_SEQ_COMPARE_FOREACH_RESULT_LESS; /* lhs < rhs */
+	}
+	temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+	Dee_Decref(lhs_elem);
+	if unlikely(temp == Dee_COMPARE_ERR)
+		goto err;
+	return LOCAL_SEQ_COMPARE_FOREACH_RESULT_FROMCOMPARE(temp);
+err:
+	return LOCAL_SEQ_COMPARE_FOREACH_RESULT_ERROR;
+}
+
+INTERN WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL
+LOCAL_seq_compare__(lhs_size_and_getitem_index__rhs_foreach__cb)(void *arg, DeeObject *rhs_elem) {
+	int temp;
+	DREF DeeObject *lhs_elem;
+	struct seq_compareforeach__size_and_getitem_index__data *data;
+	data = (struct seq_compareforeach__size_and_getitem_index__data *)arg;
+	if (data->scf_sgi_oindex >= data->scf_sgi_osize)
+		return LOCAL_SEQ_COMPARE_FOREACH_RESULT_LESS; /* lhs < rhs */
+	lhs_elem = (*data->scf_sgi_ogetitem_index)(data->scf_sgi_other, data->scf_sgi_oindex++);
+	if unlikely(!lhs_elem) {
+		if (!DeeError_Catch(&DeeError_UnboundItem) &&
+		    !DeeError_Catch(&DeeError_IndexError))
+			goto err;
+		/* RHS Unbound item, or premature lhs sequence end */
+		return LOCAL_SEQ_COMPARE_FOREACH_RESULT_LESS; /* lhs < rhs */
+	}
+	temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+	Dee_Decref(lhs_elem);
+	if unlikely(temp == Dee_COMPARE_ERR)
+		goto err;
+	return LOCAL_SEQ_COMPARE_FOREACH_RESULT_FROMCOMPARE(temp);
+err:
+	return LOCAL_SEQ_COMPARE_FOREACH_RESULT_ERROR;
+}
+
+
+
+
+
+
+/************************************************************************/
+/* seq_compare_foreach__sizeob_and_getitem__data                        */
+/************************************************************************/
+INTERN WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL
+LOCAL_seq_compare__(lhs_foreach__rhs_sizeob_and_getitem__cb)(void *arg, DeeObject *lhs_elem) {
+	int temp;
+	DREF DeeObject *rhs_elem;
+	struct seq_compare_foreach__sizeob_and_getitem__data *data;
+	data = (struct seq_compare_foreach__sizeob_and_getitem__data *)arg;
+	temp = DeeObject_CompareGe(data->scf_sg_oindex, data->scf_sg_osize);
+	if (temp <= 0) {
+		if unlikely(temp < 0)
+			goto err;
+		return LOCAL_SEQ_COMPARE_FOREACH_RESULT_GREATER; /* lhs > rhs */
+	}
+	rhs_elem = (*data->scf_sg_ogetitem)(data->scf_sg_other, data->scf_sg_oindex);
+	if unlikely(!rhs_elem) {
+		if (!DeeError_Catch(&DeeError_UnboundItem) &&
+		    !DeeError_Catch(&DeeError_IndexError))
+			goto err;
+		/* RHS Unbound item, or premature lhs sequence end */
+		return LOCAL_SEQ_COMPARE_FOREACH_RESULT_GREATER; /* lhs > rhs */
+	}
+	if unlikely(DeeObject_Inc(&data->scf_sg_oindex))
+		goto err_rhs_elem;
+	temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+	Dee_Decref(rhs_elem);
+	if unlikely(temp == Dee_COMPARE_ERR)
+		goto err;
+	return LOCAL_SEQ_COMPARE_FOREACH_RESULT_FROMCOMPARE(temp);
+err_rhs_elem:
+	Dee_Decref(rhs_elem);
+err:
+	return LOCAL_SEQ_COMPARE_FOREACH_RESULT_ERROR;
+}
+
+INTERN WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL
+LOCAL_seq_compare__(lhs_sizeob_and_getitem__rhs_foreach__cb)(void *arg, DeeObject *rhs_elem) {
+	int temp;
+	DREF DeeObject *lhs_elem;
+	struct seq_compare_foreach__sizeob_and_getitem__data *data;
+	data = (struct seq_compare_foreach__sizeob_and_getitem__data *)arg;
+	temp = DeeObject_CompareGe(data->scf_sg_oindex, data->scf_sg_osize);
+	if (temp <= 0) {
+		if unlikely(temp < 0)
+			goto err;
+		return LOCAL_SEQ_COMPARE_FOREACH_RESULT_LESS; /* lhs < rhs */
+	}
+	lhs_elem = (*data->scf_sg_ogetitem)(data->scf_sg_other, data->scf_sg_oindex);
+	if unlikely(!lhs_elem) {
+		if (!DeeError_Catch(&DeeError_UnboundItem) &&
+		    !DeeError_Catch(&DeeError_IndexError))
+			goto err;
+		/* RHS Unbound item, or premature lhs sequence end */
+		return LOCAL_SEQ_COMPARE_FOREACH_RESULT_LESS; /* lhs < rhs */
+	}
+	if unlikely(DeeObject_Inc(&data->scf_sg_oindex))
+		goto err_lhs_elem;
+	temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+	Dee_Decref(lhs_elem);
+	if unlikely(temp == Dee_COMPARE_ERR)
+		goto err;
+	return LOCAL_SEQ_COMPARE_FOREACH_RESULT_FROMCOMPARE(temp);
+err_lhs_elem:
+	Dee_Decref(lhs_elem);
+err:
+	return LOCAL_SEQ_COMPARE_FOREACH_RESULT_ERROR;
+}
+
+
+
+
+
+
+/************************************************************************/
+/* seq_compare_foreach__tsizeob_and_getitem__data                       */
+/************************************************************************/
+INTERN WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL
+LOCAL_seq_compare__(tlhs_sizeob_and_getitem__rhs_foreach__cb)(void *arg, DeeObject *rhs_elem) {
+	int temp;
+	DREF DeeObject *lhs_elem;
+	struct seq_compare_foreach__tsizeob_and_getitem__data *data;
+	data = (struct seq_compare_foreach__tsizeob_and_getitem__data *)arg;
+	temp = DeeObject_CompareGe(data->scf_tsg_oindex, data->scf_tsg_osize);
+	if (temp <= 0) {
+		if unlikely(temp < 0)
+			goto err;
+		return LOCAL_SEQ_COMPARE_FOREACH_RESULT_LESS; /* lhs < rhs */
+	}
+	lhs_elem = (*data->scf_tsg_otgetitem)(data->scf_tsg_tpother,
+	                                      data->scf_tsg_other,
+	                                      data->scf_tsg_oindex);
+	if unlikely(!lhs_elem) {
+		if (!DeeError_Catch(&DeeError_UnboundItem) &&
+		    !DeeError_Catch(&DeeError_IndexError))
+			goto err;
+		/* RHS Unbound item, or premature lhs sequence end */
+		return LOCAL_SEQ_COMPARE_FOREACH_RESULT_LESS; /* lhs < rhs */
+	}
+	if unlikely(DeeObject_Inc(&data->scf_tsg_oindex))
+		goto err_lhs_elem;
+	temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+	Dee_Decref(lhs_elem);
+	if unlikely(temp == Dee_COMPARE_ERR)
+		goto err;
+	return LOCAL_SEQ_COMPARE_FOREACH_RESULT_FROMCOMPARE(temp);
+err_lhs_elem:
+	Dee_Decref(lhs_elem);
+err:
+	return LOCAL_SEQ_COMPARE_FOREACH_RESULT_ERROR;
+}
+
+
+
+
+
+
+/************************************************************************/
+/* @param: arg: [1..1] DeeObject *other_iter;                           */
+/************************************************************************/
+INTERN WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL
+LOCAL_seq_compare__(lhs_foreach__rhs_iter__cb)(void *arg, DeeObject *lhs_elem) {
+	int temp;
+	DeeObject *rhs_iter = (DeeObject *)arg;
+	DREF DeeObject *rhs_elem = DeeObject_IterNext(rhs_iter);
+	if (!ITER_ISOK(rhs_elem)) {
+		if unlikely(!rhs_elem)
+			goto err;
+		return SEQ_COMPARE_FOREACH_RESULT_GREATER; /* lhs > rhs */
+	}
+	temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+	Dee_Decref(rhs_elem);
+	if unlikely(temp == Dee_COMPARE_ERR)
+		goto err;
+	return LOCAL_SEQ_COMPARE_FOREACH_RESULT_FROMCOMPARE(temp);
+err:
+	return LOCAL_SEQ_COMPARE_FOREACH_RESULT_ERROR;
+}
+
+INTERN WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL
+LOCAL_seq_compare__(lhs_iter__rhs_foreach__cb)(void *arg, DeeObject *rhs_elem) {
+	int temp;
+	DeeObject *lhs_iter = (DeeObject *)arg;
+	DREF DeeObject *lhs_elem = DeeObject_IterNext(lhs_iter);
+	if (!ITER_ISOK(lhs_elem)) {
+		if unlikely(!lhs_elem)
+			goto err;
+		return SEQ_COMPARE_FOREACH_RESULT_LESS; /* lhs < rhs */
+	}
+	temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+	Dee_Decref(lhs_elem);
+	if unlikely(temp == Dee_COMPARE_ERR)
+		goto err;
+	return LOCAL_SEQ_COMPARE_FOREACH_RESULT_FROMCOMPARE(temp);
+err:
+	return LOCAL_SEQ_COMPARE_FOREACH_RESULT_ERROR;
+}
+
+
+#undef LOCAL_SEQ_COMPARE_FOREACH_RESULT_EQUAL
+#undef LOCAL_SEQ_COMPARE_FOREACH_RESULT_ERROR
+#undef LOCAL_SEQ_COMPARE_FOREACH_RESULT_LESS
+#undef LOCAL_SEQ_COMPARE_FOREACH_RESULT_GREATER
+#undef LOCAL_SEQ_COMPARE_FOREACH_RESULT_FROMCOMPARE
+#undef LOCAL_SEQ_COMPARE_FOREACH_RESULT_FROMCOMPARE_NE
+
+
+
+
+
+
+/************************************************************************/
+/* Implementations when "lhs" should be accessed using size+getitem_index_fast. */
+/************************************************************************/
+INTERN WUNUSED NONNULL((1, 3, 4, 6)) int DCALL
+LOCAL_seq_docompare__(lhs_size_and_getitem_index_fast__rhs_size_and_getitem_index_fast)(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_getitem_index_fast)(DeeObject *self, size_t index),
+                                                                                        DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index_fast)(DeeObject *self, size_t index)) {
+	size_t i, common_size = lhs_size;
+#ifdef DEFINE_compareeq
+	if (common_size != rhs_size)
+		return 1; /* not-equal */
+#else /* DEFINE_compareeq */
+	if (common_size > rhs_size)
+		common_size = rhs_size;
+#endif /* DEFINE_compareeq */
+	for (i = 0; i < common_size; ++i) {
+		int temp;
+		DREF DeeObject *lhs_elem, *rhs_elem;
+		lhs_elem = (*lhs_getitem_index_fast)(lhs, i);
+		rhs_elem = (*rhs_getitem_index_fast)(rhs, i);
+		if (!lhs_elem || !rhs_elem) {
+			if (!lhs_elem && !rhs_elem)
+				continue; /* Both unbound */
+			if (lhs_elem) {
+				Dee_Decref(lhs_elem);
+			} else {
+				Dee_Decref(rhs_elem);
+			}
+#ifdef DEFINE_compareeq
+			return 1; /* Not-equal */
+#else /* DEFINE_compareeq */
+			return lhs_elem ? 1 : -1;
+#endif /* !DEFINE_compareeq */
+		}
+		temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+		Dee_Decref(rhs_elem);
+		Dee_Decref(lhs_elem);
+		if (temp != 0)
+			return temp;
+	}
+#ifdef DEFINE_compareeq
+	return 0; /* Equal */
+#else /* DEFINE_compareeq */
+	return Dee_Compare(lhs_size, lhs_size);
+#endif /* !DEFINE_compareeq */
+}
+
+INTERN WUNUSED NONNULL((1, 3, 4, 6)) int DCALL
+LOCAL_seq_docompare__(lhs_size_and_getitem_index_fast__rhs_size_and_trygetitem_index)(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_getitem_index_fast)(DeeObject *self, size_t index),
+                                                                                      DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_trygetitem_index)(DeeObject *self, size_t index)) {
+	size_t i, common_size = lhs_size;
+#ifdef DEFINE_compareeq
+	if (common_size != rhs_size)
+		return 1; /* not-equal */
+#else /* DEFINE_compareeq */
+	if (common_size > rhs_size)
+		common_size = rhs_size;
+#endif /* DEFINE_compareeq */
+	for (i = 0; i < common_size; ++i) {
+		int temp;
+		DREF DeeObject *lhs_elem, *rhs_elem;
+		rhs_elem = (*rhs_trygetitem_index)(rhs, i);
+		if unlikely(!rhs_elem)
+			goto err;
+		lhs_elem = (*lhs_getitem_index_fast)(lhs, i);
+		if (!lhs_elem || (rhs_elem == ITER_DONE)) {
+			if (!lhs_elem && (rhs_elem == ITER_DONE))
+				continue; /* Both unbound */
+			if (lhs_elem) {
+				Dee_Decref(lhs_elem);
+			} else {
+				Dee_Decref(rhs_elem);
+			}
+#ifdef DEFINE_compareeq
+			return 1; /* Not-equal */
+#else /* DEFINE_compareeq */
+			return lhs_elem ? 1 : -1;
+#endif /* !DEFINE_compareeq */
+		}
+		temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+		Dee_Decref(rhs_elem);
+		Dee_Decref(lhs_elem);
+		if (temp != 0)
+			return temp;
+	}
+#ifdef DEFINE_compareeq
+	return 0; /* Equal */
+#else /* DEFINE_compareeq */
+	return Dee_Compare(lhs_size, lhs_size);
+#endif /* !DEFINE_compareeq */
+err:
+	return Dee_COMPARE_ERR;
+}
+
+INTERN WUNUSED NONNULL((1, 3, 4, 6)) int DCALL
+LOCAL_seq_docompare__(lhs_size_and_getitem_index_fast__rhs_size_and_getitem_index)(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_getitem_index_fast)(DeeObject *self, size_t index),
+                                                                                   DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index)(DeeObject *self, size_t index)) {
+	size_t i, common_size = lhs_size;
+#ifdef DEFINE_compareeq
+	if (common_size != rhs_size)
+		return 1; /* not-equal */
+#else /* DEFINE_compareeq */
+	if (common_size > rhs_size)
+		common_size = rhs_size;
+#endif /* DEFINE_compareeq */
+	for (i = 0; i < common_size; ++i) {
+		int temp;
+		DREF DeeObject *lhs_elem, *rhs_elem;
+		rhs_elem = (*rhs_getitem_index)(rhs, i);
+		if unlikely(!rhs_elem) {
+			if (DeeError_Catch(&DeeError_UnboundItem)) {
+				/* Unbound... */
+			} else if (DeeError_Catch(&DeeError_IndexError)) {
+				return 1; /* RHS got smaller... -> lhs > rhs */
+			} else {
+				goto err;
+			}
+		}
+		lhs_elem = (*lhs_getitem_index_fast)(lhs, i);
+		if (!lhs_elem || !rhs_elem) {
+			if (!lhs_elem && !rhs_elem)
+				continue; /* Both unbound */
+			if (lhs_elem) {
+				Dee_Decref(lhs_elem);
+			} else {
+				Dee_Decref(rhs_elem);
+			}
+#ifdef DEFINE_compareeq
+			return 1; /* Not-equal */
+#else /* DEFINE_compareeq */
+			return lhs_elem ? 1 : -1;
+#endif /* !DEFINE_compareeq */
+		}
+		temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+		Dee_Decref(rhs_elem);
+		Dee_Decref(lhs_elem);
+		if (temp != 0)
+			return temp;
+	}
+#ifdef DEFINE_compareeq
+	return 0; /* Equal */
+#else /* DEFINE_compareeq */
+	return Dee_Compare(lhs_size, lhs_size);
+#endif /* !DEFINE_compareeq */
+err:
+	return Dee_COMPARE_ERR;
+}
+
+
+/* @return: (size_t)-1: Error
+ * @return: (size_t)-2: Size would overflow */
+#ifndef OBJECT_TO_SIZE_WITH_OVERFLOW_HANDLER_DEFINED
+#define OBJECT_TO_SIZE_WITH_OVERFLOW_HANDLER_DEFINED
+PRIVATE WUNUSED NONNULL((1)) size_t DCALL
+object_to_size_with_overflow_handler(DeeObject *sizeob) {
+	size_t result;
+	if (DeeInt_Check(sizeob)) {
+		if (!DeeInt_TryAsSize(sizeob, &result))
+			goto overflow;
+	} else {
+		if (DeeObject_AsSize(sizeob, &result))
+			goto err;
+	}
+	if unlikely(result >= (size_t)-2)
+		goto overflow;
+	return result;
+overflow:
+	return (size_t)-2;
+err:
+	if (DeeError_Catch(&DeeError_IntegerOverflow))
+		goto overflow;
+	return (size_t)-1;
+}
+#endif /* !OBJECT_TO_SIZE_WITH_OVERFLOW_HANDLER_DEFINED */
+
+INTERN WUNUSED NONNULL((1, 3, 4, 5, 6)) int DCALL
+LOCAL_seq_docompare__(lhs_size_and_getitem_index_fast__rhs_sizeob_and_getitem)(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_getitem_index_fast)(DeeObject *self, size_t index),
+                                                                               DeeObject *rhs, DeeObject *rhs_sizeob, DREF DeeObject *(DCALL *rhs_getitem)(DeeObject *self, DeeObject *index)) {
+	size_t i, common_size = lhs_size;
+	size_t rhs_size = object_to_size_with_overflow_handler(rhs_sizeob);
+	if unlikely(rhs_size == (size_t)-1)
+		goto err;
+#ifdef DEFINE_compareeq
+	if (common_size != rhs_size)
+		return 1; /* not-equal */
+#else /* DEFINE_compareeq */
+	if (common_size > rhs_size)
+		common_size = rhs_size;
+#endif /* DEFINE_compareeq */
+	for (i = 0; i < common_size; ++i) {
+		int temp;
+		DREF DeeObject *lhs_elem, *rhs_elem;
+		DREF DeeObject *index_ob;
+		index_ob = DeeInt_NewSize(i);
+		if unlikely(!index_ob)
+			goto err;
+		rhs_elem = (*rhs_getitem)(rhs, index_ob);
+		Dee_Decref(index_ob);
+		if unlikely(!rhs_elem) {
+			if (DeeError_Catch(&DeeError_UnboundItem)) {
+				/* Unbound... */
+			} else if (DeeError_Catch(&DeeError_IndexError)) {
+				return 1; /* RHS got smaller... -> lhs > rhs */
+			} else {
+				goto err;
+			}
+		}
+		lhs_elem = (*lhs_getitem_index_fast)(lhs, i);
+		if (!lhs_elem || !rhs_elem) {
+			if (!lhs_elem && !rhs_elem)
+				continue; /* Both unbound */
+			if (lhs_elem) {
+				Dee_Decref(lhs_elem);
+			} else {
+				Dee_Decref(rhs_elem);
+			}
+#ifdef DEFINE_compareeq
+			return 1; /* Not-equal */
+#else /* DEFINE_compareeq */
+			return lhs_elem ? 1 : -1;
+#endif /* !DEFINE_compareeq */
+		}
+		temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+		Dee_Decref(rhs_elem);
+		Dee_Decref(lhs_elem);
+		if (temp != 0)
+			return temp;
+	}
+#ifdef DEFINE_compareeq
+	return 0; /* Equal */
+#else /* DEFINE_compareeq */
+	return Dee_Compare(lhs_size, lhs_size);
+#endif /* !DEFINE_compareeq */
+err:
+	return Dee_COMPARE_ERR;
+}
+
+
+
+
+
+
+/************************************************************************/
+/* Implementations when "lhs" should be accessed using size+trygetitem_index. */
+/************************************************************************/
+INTERN WUNUSED NONNULL((1, 3, 4, 6)) int DCALL
+LOCAL_seq_docompare__(lhs_size_and_trygetitem_index__rhs_size_and_getitem_index_fast)(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_trygetitem_index)(DeeObject *self, size_t index),
+                                                                                      DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index_fast)(DeeObject *self, size_t index)) {
+	size_t i, common_size = lhs_size;
+#ifdef DEFINE_compareeq
+	if (common_size != rhs_size)
+		return 1; /* not-equal */
+#else /* DEFINE_compareeq */
+	if (common_size > rhs_size)
+		common_size = rhs_size;
+#endif /* DEFINE_compareeq */
+	for (i = 0; i < common_size; ++i) {
+		int temp;
+		DREF DeeObject *lhs_elem, *rhs_elem;
+		lhs_elem = (*lhs_trygetitem_index)(lhs, i);
+		if unlikely(!lhs_elem)
+			goto err;
+		rhs_elem = (*rhs_getitem_index_fast)(rhs, i);
+		if ((lhs_elem == ITER_DONE) || !rhs_elem) {
+			if ((lhs_elem == ITER_DONE) && !rhs_elem)
+				continue; /* Both unbound */
+			if (rhs_elem) {
+				Dee_Decref(rhs_elem);
+			} else {
+				Dee_Decref(lhs_elem);
+			}
+#ifdef DEFINE_compareeq
+			return 1; /* Not-equal */
+#else /* DEFINE_compareeq */
+			return lhs_elem ? 1 : -1;
+#endif /* !DEFINE_compareeq */
+		}
+		temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+		Dee_Decref(rhs_elem);
+		Dee_Decref(lhs_elem);
+		if (temp != 0)
+			return temp;
+	}
+#ifdef DEFINE_compareeq
+	return 0; /* Equal */
+#else /* DEFINE_compareeq */
+	return Dee_Compare(lhs_size, lhs_size);
+#endif /* !DEFINE_compareeq */
+err:
+	return Dee_COMPARE_ERR;
+}
+
+INTERN WUNUSED NONNULL((1, 3, 4, 6)) int DCALL
+LOCAL_seq_docompare__(lhs_size_and_trygetitem_index__rhs_size_and_trygetitem_index)(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_trygetitem_index)(DeeObject *self, size_t index),
+                                                                                    DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_trygetitem_index)(DeeObject *self, size_t index)) {
+	size_t i, common_size = lhs_size;
+#ifdef DEFINE_compareeq
+	if (common_size != rhs_size)
+		return 1; /* not-equal */
+#else /* DEFINE_compareeq */
+	if (common_size > rhs_size)
+		common_size = rhs_size;
+#endif /* DEFINE_compareeq */
+	for (i = 0; i < common_size; ++i) {
+		int temp;
+		DREF DeeObject *lhs_elem, *rhs_elem;
+		lhs_elem = (*lhs_trygetitem_index)(lhs, i);
+		if unlikely(!lhs_elem)
+			goto err;
+		rhs_elem = (*rhs_trygetitem_index)(rhs, i);
+		if unlikely(!rhs_elem) {
+			if (lhs_elem != ITER_DONE)
+				Dee_Decref(lhs_elem);
+			goto err;
+		}
+		if ((lhs_elem == ITER_DONE) || (rhs_elem == ITER_DONE)) {
+			if ((lhs_elem == ITER_DONE) && (rhs_elem == ITER_DONE))
+				continue; /* Both unbound */
+			if (rhs_elem != ITER_DONE) {
+				Dee_Decref(rhs_elem);
+			} else {
+				Dee_Decref(lhs_elem);
+			}
+#ifdef DEFINE_compareeq
+			return 1; /* Not-equal */
+#else /* DEFINE_compareeq */
+			return lhs_elem ? 1 : -1;
+#endif /* !DEFINE_compareeq */
+		}
+		temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+		Dee_Decref(rhs_elem);
+		Dee_Decref(lhs_elem);
+		if (temp != 0)
+			return temp;
+		if (DeeThread_CheckInterrupt())
+			goto err;
+	}
+#ifdef DEFINE_compareeq
+	return 0; /* Equal */
+#else /* DEFINE_compareeq */
+	return Dee_Compare(lhs_size, lhs_size);
+#endif /* !DEFINE_compareeq */
+err:
+	return Dee_COMPARE_ERR;
+}
+
+INTERN WUNUSED NONNULL((1, 3, 4, 6)) int DCALL
+LOCAL_seq_docompare__(lhs_size_and_trygetitem_index__rhs_size_and_getitem_index)(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_trygetitem_index)(DeeObject *self, size_t index),
+                                                                                 DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index)(DeeObject *self, size_t index)) {
+	size_t i, common_size = lhs_size;
+#ifdef DEFINE_compareeq
+	if (common_size != rhs_size)
+		return 1; /* not-equal */
+#else /* DEFINE_compareeq */
+	if (common_size > rhs_size)
+		common_size = rhs_size;
+#endif /* DEFINE_compareeq */
+	for (i = 0; i < common_size; ++i) {
+		int temp;
+		DREF DeeObject *lhs_elem, *rhs_elem;
+		rhs_elem = (*rhs_getitem_index)(rhs, i);
+		if unlikely(!rhs_elem) {
+			if (DeeError_Catch(&DeeError_UnboundItem)) {
+				/* Unbound... */
+			} else if (DeeError_Catch(&DeeError_IndexError)) {
+				return 1; /* RHS got smaller... -> lhs > rhs */
+			} else {
+				goto err;
+			}
+		}
+		lhs_elem = (*lhs_trygetitem_index)(lhs, i);
+		if unlikely(!lhs_elem) {
+			Dee_Decref(rhs_elem);
+			goto err;
+		}
+		if ((lhs_elem == ITER_DONE) || !rhs_elem) {
+			if ((lhs_elem == ITER_DONE) && !rhs_elem)
+				continue; /* Both unbound */
+			if (rhs_elem) {
+				Dee_Decref(rhs_elem);
+			} else {
+				Dee_Decref(lhs_elem);
+			}
+#ifdef DEFINE_compareeq
+			return 1; /* Not-equal */
+#else /* DEFINE_compareeq */
+			return lhs_elem ? 1 : -1;
+#endif /* !DEFINE_compareeq */
+		}
+		temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+		Dee_Decref(rhs_elem);
+		Dee_Decref(lhs_elem);
+		if (temp != 0)
+			return temp;
+		if (DeeThread_CheckInterrupt())
+			goto err;
+	}
+#ifdef DEFINE_compareeq
+	return 0; /* Equal */
+#else /* DEFINE_compareeq */
+	return Dee_Compare(lhs_size, lhs_size);
+#endif /* !DEFINE_compareeq */
+err:
+	return Dee_COMPARE_ERR;
+}
+
+INTERN WUNUSED NONNULL((1, 3, 4, 5, 6)) int DCALL
+LOCAL_seq_docompare__(lhs_size_and_trygetitem_index__rhs_sizeob_and_getitem)(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_trygetitem_index)(DeeObject *self, size_t index),
+                                                                             DeeObject *rhs, DeeObject *rhs_sizeob, DREF DeeObject *(DCALL *rhs_getitem)(DeeObject *self, DeeObject *index)) {
+	size_t i, common_size = lhs_size;
+	size_t rhs_size = object_to_size_with_overflow_handler(rhs_sizeob);
+	if unlikely(rhs_size == (size_t)-1)
+		goto err;
+#ifdef DEFINE_compareeq
+	if (common_size != rhs_size)
+		return 1; /* not-equal */
+#else /* DEFINE_compareeq */
+	if (common_size > rhs_size)
+		common_size = rhs_size;
+#endif /* DEFINE_compareeq */
+	for (i = 0; i < common_size; ++i) {
+		int temp;
+		DREF DeeObject *lhs_elem, *rhs_elem;
+		DREF DeeObject *index_ob;
+		index_ob = DeeInt_NewSize(i);
+		if unlikely(!index_ob)
+			goto err;
+		rhs_elem = (*rhs_getitem)(rhs, index_ob);
+		Dee_Decref(index_ob);
+		if unlikely(!rhs_elem) {
+			if (DeeError_Catch(&DeeError_UnboundItem)) {
+				/* Unbound... */
+			} else if (DeeError_Catch(&DeeError_IndexError)) {
+				return 1; /* RHS got smaller... -> lhs > rhs */
+			} else {
+				goto err;
+			}
+		}
+		lhs_elem = (*lhs_trygetitem_index)(lhs, i);
+		if unlikely(!lhs_elem) {
+			Dee_Decref(rhs_elem);
+			goto err;
+		}
+		if ((lhs_elem == ITER_DONE) || !rhs_elem) {
+			if ((lhs_elem == ITER_DONE) && !rhs_elem)
+				continue; /* Both unbound */
+			if (lhs_elem) {
+				Dee_Decref(rhs_elem);
+			} else {
+				Dee_Decref(lhs_elem);
+			}
+#ifdef DEFINE_compareeq
+			return 1; /* Not-equal */
+#else /* DEFINE_compareeq */
+			return lhs_elem ? 1 : -1;
+#endif /* !DEFINE_compareeq */
+		}
+		temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+		Dee_Decref(rhs_elem);
+		Dee_Decref(lhs_elem);
+		if (temp != 0)
+			return temp;
+		if (DeeThread_CheckInterrupt())
+			goto err;
+	}
+#ifdef DEFINE_compareeq
+	return 0; /* Equal */
+#else /* DEFINE_compareeq */
+	return Dee_Compare(lhs_size, lhs_size);
+#endif /* !DEFINE_compareeq */
+err:
+	return Dee_COMPARE_ERR;
+}
+
+
+
+
+
+
+/************************************************************************/
+/* Implementations when "lhs" should be accessed using size+getitem_index. */
+/************************************************************************/
+INTERN WUNUSED NONNULL((1, 3, 4, 6)) int DCALL
+LOCAL_seq_docompare__(lhs_size_and_getitem_index__rhs_size_and_getitem_index_fast)(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_getitem_index)(DeeObject *self, size_t index),
+                                                                                   DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index_fast)(DeeObject *self, size_t index)) {
+	size_t i, common_size = lhs_size;
+#ifdef DEFINE_compareeq
+	if (common_size != rhs_size)
+		return 1; /* not-equal */
+#else /* DEFINE_compareeq */
+	if (common_size > rhs_size)
+		common_size = rhs_size;
+#endif /* DEFINE_compareeq */
+	for (i = 0; i < common_size; ++i) {
+		int temp;
+		DREF DeeObject *lhs_elem, *rhs_elem;
+		lhs_elem = (*lhs_getitem_index)(lhs, i);
+		if unlikely(!lhs_elem) {
+			if (DeeError_Catch(&DeeError_UnboundItem)) {
+				/* Unbound... */
+			} else if (DeeError_Catch(&DeeError_IndexError)) {
+				return -1; /* LHS got smaller... -> lhs < rhs */
+			} else {
+				goto err;
+			}
+		}
+		rhs_elem = (*rhs_getitem_index_fast)(rhs, i);
+		if (!lhs_elem || !rhs_elem) {
+			if (!lhs_elem && !rhs_elem)
+				continue; /* Both unbound */
+			if (rhs_elem) {
+				Dee_Decref(rhs_elem);
+			} else {
+				Dee_Decref(lhs_elem);
+			}
+#ifdef DEFINE_compareeq
+			return 1; /* Not-equal */
+#else /* DEFINE_compareeq */
+			return lhs_elem ? 1 : -1;
+#endif /* !DEFINE_compareeq */
+		}
+		temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+		Dee_Decref(rhs_elem);
+		Dee_Decref(lhs_elem);
+		if (temp != 0)
+			return temp;
+	}
+#ifdef DEFINE_compareeq
+	return 0; /* Equal */
+#else /* DEFINE_compareeq */
+	return Dee_Compare(lhs_size, lhs_size);
+#endif /* !DEFINE_compareeq */
+err:
+	return Dee_COMPARE_ERR;
+}
+
+INTERN WUNUSED NONNULL((1, 3, 4, 6)) int DCALL
+LOCAL_seq_docompare__(lhs_size_and_getitem_index__rhs_size_and_trygetitem_index)(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_getitem_index)(DeeObject *self, size_t index),
+                                                                                 DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_trygetitem_index)(DeeObject *self, size_t index)) {
+	size_t i, common_size = lhs_size;
+#ifdef DEFINE_compareeq
+	if (common_size != rhs_size)
+		return 1; /* not-equal */
+#else /* DEFINE_compareeq */
+	if (common_size > rhs_size)
+		common_size = rhs_size;
+#endif /* DEFINE_compareeq */
+	for (i = 0; i < common_size; ++i) {
+		int temp;
+		DREF DeeObject *lhs_elem, *rhs_elem;
+		lhs_elem = (*lhs_getitem_index)(lhs, i);
+		if unlikely(!lhs_elem) {
+			if (DeeError_Catch(&DeeError_UnboundItem)) {
+				/* Unbound... */
+			} else if (DeeError_Catch(&DeeError_IndexError)) {
+				return -1; /* LHS got smaller... -> lhs < rhs */
+			} else {
+				goto err;
+			}
+		}
+		rhs_elem = (*rhs_trygetitem_index)(rhs, i);
+		if unlikely(!rhs_elem) {
+			Dee_Decref(lhs_elem);
+			goto err;
+		}
+		if (!lhs_elem || (rhs_elem == ITER_DONE)) {
+			if (!lhs_elem && (rhs_elem == ITER_DONE))
+				continue; /* Both unbound */
+			if (lhs_elem) {
+				Dee_Decref(lhs_elem);
+			} else {
+				Dee_Decref(rhs_elem);
+			}
+#ifdef DEFINE_compareeq
+			return 1; /* Not-equal */
+#else /* DEFINE_compareeq */
+			return lhs_elem ? 1 : -1;
+#endif /* !DEFINE_compareeq */
+		}
+		temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+		Dee_Decref(rhs_elem);
+		Dee_Decref(lhs_elem);
+		if (temp != 0)
+			return temp;
+		if (DeeThread_CheckInterrupt())
+			goto err;
+	}
+#ifdef DEFINE_compareeq
+	return 0; /* Equal */
+#else /* DEFINE_compareeq */
+	return Dee_Compare(lhs_size, lhs_size);
+#endif /* !DEFINE_compareeq */
+err:
+	return Dee_COMPARE_ERR;
+}
+
+INTERN WUNUSED NONNULL((1, 3, 4, 6)) int DCALL
+LOCAL_seq_docompare__(lhs_size_and_getitem_index__rhs_size_and_getitem_index)(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_getitem_index)(DeeObject *self, size_t index),
+                                                                              DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index)(DeeObject *self, size_t index)) {
+	size_t i, common_size = lhs_size;
+#ifdef DEFINE_compareeq
+	if (common_size != rhs_size)
+		return 1; /* not-equal */
+#else /* DEFINE_compareeq */
+	if (common_size > rhs_size)
+		common_size = rhs_size;
+#endif /* DEFINE_compareeq */
+	for (i = 0; i < common_size; ++i) {
+		int temp;
+		DREF DeeObject *lhs_elem, *rhs_elem;
+		lhs_elem = (*lhs_getitem_index)(lhs, i);
+		if unlikely(!lhs_elem) {
+			if (DeeError_Catch(&DeeError_UnboundItem)) {
+				/* Unbound... */
+			} else if (DeeError_Catch(&DeeError_IndexError)) {
+				return -1; /* LHS got smaller... -> lhs < rhs */
+			} else {
+				goto err;
+			}
+		}
+		rhs_elem = (*rhs_getitem_index)(rhs, i);
+		if unlikely(!rhs_elem) {
+			if (DeeError_Catch(&DeeError_UnboundItem)) {
+				/* Unbound... */
+			} else if (DeeError_Catch(&DeeError_IndexError)) {
+				Dee_XDecref(lhs_elem);
+				return 1; /* RHS got smaller... -> lhs > rhs */
+			} else {
+				Dee_XDecref(lhs_elem);
+				goto err;
+			}
+		}
+		if (!lhs_elem || !rhs_elem) {
+			if (!lhs_elem && !rhs_elem)
+				continue; /* Both unbound */
+			if (rhs_elem) {
+				Dee_Decref(rhs_elem);
+			} else {
+				Dee_Decref(lhs_elem);
+			}
+#ifdef DEFINE_compareeq
+			return 1; /* Not-equal */
+#else /* DEFINE_compareeq */
+			return lhs_elem ? 1 : -1;
+#endif /* !DEFINE_compareeq */
+		}
+		temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+		Dee_Decref(rhs_elem);
+		Dee_Decref(lhs_elem);
+		if (temp != 0)
+			return temp;
+		if (DeeThread_CheckInterrupt())
+			goto err;
+	}
+#ifdef DEFINE_compareeq
+	return 0; /* Equal */
+#else /* DEFINE_compareeq */
+	return Dee_Compare(lhs_size, lhs_size);
+#endif /* !DEFINE_compareeq */
+err:
+	return Dee_COMPARE_ERR;
+}
+
+INTERN WUNUSED NONNULL((1, 3, 4, 5, 6)) int DCALL
+LOCAL_seq_docompare__(lhs_size_and_getitem_index__rhs_sizeob_and_getitem)(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_getitem_index)(DeeObject *self, size_t index),
+                                                                          DeeObject *rhs, DeeObject *rhs_sizeob, DREF DeeObject *(DCALL *rhs_getitem)(DeeObject *self, DeeObject *index)) {
+	size_t i, common_size = lhs_size;
+	size_t rhs_size = object_to_size_with_overflow_handler(rhs_sizeob);
+	if unlikely(rhs_size == (size_t)-1)
+		goto err;
+#ifdef DEFINE_compareeq
+	if (common_size != rhs_size)
+		return 1; /* not-equal */
+#else /* DEFINE_compareeq */
+	if (common_size > rhs_size)
+		common_size = rhs_size;
+#endif /* DEFINE_compareeq */
+	for (i = 0; i < common_size; ++i) {
+		int temp;
+		DREF DeeObject *lhs_elem, *rhs_elem;
+		DREF DeeObject *index_ob;
+		index_ob = DeeInt_NewSize(i);
+		if unlikely(!index_ob)
+			goto err;
+		rhs_elem = (*rhs_getitem)(rhs, index_ob);
+		Dee_Decref(index_ob);
+		if unlikely(!rhs_elem) {
+			if (DeeError_Catch(&DeeError_UnboundItem)) {
+				/* Unbound... */
+			} else if (DeeError_Catch(&DeeError_IndexError)) {
+				return 1; /* RHS got smaller... -> lhs > rhs */
+			} else {
+				goto err;
+			}
+		}
+		lhs_elem = (*lhs_getitem_index)(lhs, i);
+		if unlikely(!lhs_elem) {
+			if (DeeError_Catch(&DeeError_UnboundItem)) {
+				/* Unbound... */
+			} else if (DeeError_Catch(&DeeError_IndexError)) {
+				Dee_XDecref(rhs_elem);
+				return -1; /* LHS got smaller... -> lhs < rhs */
+			} else {
+				Dee_XDecref(rhs_elem);
+				goto err;
+			}
+		}
+		if (!lhs_elem || !rhs_elem) {
+			if (!lhs_elem && !rhs_elem)
+				continue; /* Both unbound */
+			if (rhs_elem) {
+				Dee_Decref(rhs_elem);
+			} else {
+				Dee_Decref(lhs_elem);
+			}
+#ifdef DEFINE_compareeq
+			return 1; /* Not-equal */
+#else /* DEFINE_compareeq */
+			return lhs_elem ? 1 : -1;
+#endif /* !DEFINE_compareeq */
+		}
+		temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+		Dee_Decref(rhs_elem);
+		Dee_Decref(lhs_elem);
+		if (temp != 0)
+			return temp;
+		if (DeeThread_CheckInterrupt())
+			goto err;
+	}
+#ifdef DEFINE_compareeq
+	return 0; /* Equal */
+#else /* DEFINE_compareeq */
+	return Dee_Compare(lhs_size, lhs_size);
+#endif /* !DEFINE_compareeq */
+err:
+	return Dee_COMPARE_ERR;
+}
+
+
+
+
+
+
+/************************************************************************/
+/* Implementations when "lhs" should be accessed using sizeob+getitem.  */
+/************************************************************************/
+INTERN WUNUSED NONNULL((1, 2, 3, 4, 6)) int DCALL
+LOCAL_seq_docompare__(lhs_sizeob_and_getitem__rhs_size_and_getitem_index_fast)(DeeObject *lhs, DeeObject *lhs_sizeob, DREF DeeObject *(DCALL *lhs_getitem)(DeeObject *self, DeeObject *index),
+                                                                               DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index_fast)(DeeObject *self, size_t index)) {
+	size_t i, common_size = rhs_size;
+	size_t lhs_size = object_to_size_with_overflow_handler(lhs_sizeob);
+	if unlikely(lhs_size == (size_t)-1)
+		goto err;
+#ifdef DEFINE_compareeq
+	if (common_size != lhs_size)
+		return 1; /* not-equal */
+#else /* DEFINE_compareeq */
+	if (common_size > lhs_size)
+		common_size = lhs_size;
+#endif /* DEFINE_compareeq */
+	for (i = 0; i < common_size; ++i) {
+		int temp;
+		DREF DeeObject *lhs_elem, *rhs_elem;
+		DREF DeeObject *index_ob;
+		index_ob = DeeInt_NewSize(i);
+		if unlikely(!index_ob)
+			goto err;
+		lhs_elem = (*lhs_getitem)(lhs, index_ob);
+		Dee_Decref(index_ob);
+		if unlikely(!lhs_elem) {
+			if (DeeError_Catch(&DeeError_UnboundItem)) {
+				/* Unbound... */
+			} else if (DeeError_Catch(&DeeError_IndexError)) {
+				return 1; /* RHS got smaller... -> lhs > rhs */
+			} else {
+				goto err;
+			}
+		}
+		rhs_elem = (*rhs_getitem_index_fast)(rhs, i);
+		if (!lhs_elem || !rhs_elem) {
+			if (!lhs_elem && !rhs_elem)
+				continue; /* Both unbound */
+			if (rhs_elem) {
+				Dee_Decref(rhs_elem);
+			} else {
+				Dee_Decref(lhs_elem);
+			}
+#ifdef DEFINE_compareeq
+			return 1; /* Not-equal */
+#else /* DEFINE_compareeq */
+			return lhs_elem ? 1 : -1;
+#endif /* !DEFINE_compareeq */
+		}
+		temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+		Dee_Decref(rhs_elem);
+		Dee_Decref(lhs_elem);
+		if (temp != 0)
+			return temp;
+	}
+#ifdef DEFINE_compareeq
+	return 0; /* Equal */
+#else /* DEFINE_compareeq */
+	return Dee_Compare(lhs_size, lhs_size);
+#endif /* !DEFINE_compareeq */
+err:
+	return Dee_COMPARE_ERR;
+}
+
+INTERN WUNUSED NONNULL((1, 2, 3, 4, 6)) int DCALL
+LOCAL_seq_docompare__(lhs_sizeob_and_getitem__rhs_size_and_trygetitem_index)(DeeObject *lhs, DeeObject *lhs_sizeob, DREF DeeObject *(DCALL *lhs_getitem)(DeeObject *self, DeeObject *index),
+                                                                             DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_trygetitem_index)(DeeObject *self, size_t index)) {
+	size_t i, common_size = rhs_size;
+	size_t lhs_size = object_to_size_with_overflow_handler(lhs_sizeob);
+	if unlikely(lhs_size == (size_t)-1)
+		goto err;
+#ifdef DEFINE_compareeq
+	if (common_size != lhs_size)
+		return 1; /* not-equal */
+#else /* DEFINE_compareeq */
+	if (common_size > lhs_size)
+		common_size = lhs_size;
+#endif /* DEFINE_compareeq */
+	for (i = 0; i < common_size; ++i) {
+		int temp;
+		DREF DeeObject *lhs_elem, *rhs_elem;
+		DREF DeeObject *index_ob;
+		index_ob = DeeInt_NewSize(i);
+		if unlikely(!index_ob)
+			goto err;
+		lhs_elem = (*lhs_getitem)(lhs, index_ob);
+		Dee_Decref(index_ob);
+		if unlikely(!lhs_elem) {
+			if (DeeError_Catch(&DeeError_UnboundItem)) {
+				/* Unbound... */
+			} else if (DeeError_Catch(&DeeError_IndexError)) {
+				return 1; /* RHS got smaller... -> lhs > rhs */
+			} else {
+				goto err;
+			}
+		}
+		rhs_elem = (*rhs_trygetitem_index)(rhs, i);
+		if unlikely(!rhs_elem) {
+			Dee_XDecref(lhs_elem);
+			goto err;
+		}
+		if (!lhs_elem || (rhs_elem == ITER_DONE)) {
+			if (!lhs_elem && (rhs_elem == ITER_DONE))
+				continue; /* Both unbound */
+			if (lhs_elem) {
+				Dee_Decref(lhs_elem);
+			} else {
+				Dee_Decref(rhs_elem);
+			}
+#ifdef DEFINE_compareeq
+			return 1; /* Not-equal */
+#else /* DEFINE_compareeq */
+			return lhs_elem ? 1 : -1;
+#endif /* !DEFINE_compareeq */
+		}
+		temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+		Dee_Decref(rhs_elem);
+		Dee_Decref(lhs_elem);
+		if (temp != 0)
+			return temp;
+		if (DeeThread_CheckInterrupt())
+			goto err;
+	}
+#ifdef DEFINE_compareeq
+	return 0; /* Equal */
+#else /* DEFINE_compareeq */
+	return Dee_Compare(lhs_size, lhs_size);
+#endif /* !DEFINE_compareeq */
+err:
+	return Dee_COMPARE_ERR;
+}
+
+INTERN WUNUSED NONNULL((1, 2, 3, 4, 6)) int DCALL
+LOCAL_seq_docompare__(lhs_sizeob_and_getitem__rhs_size_and_getitem_index)(DeeObject *lhs, DeeObject *lhs_sizeob, DREF DeeObject *(DCALL *lhs_getitem)(DeeObject *self, DeeObject *index),
+                                                                          DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index)(DeeObject *self, size_t index)) {
+	size_t i, common_size = rhs_size;
+	size_t lhs_size = object_to_size_with_overflow_handler(lhs_sizeob);
+	if unlikely(lhs_size == (size_t)-1)
+		goto err;
+#ifdef DEFINE_compareeq
+	if (common_size != lhs_size)
+		return 1; /* not-equal */
+#else /* DEFINE_compareeq */
+	if (common_size > lhs_size)
+		common_size = lhs_size;
+#endif /* DEFINE_compareeq */
+	for (i = 0; i < common_size; ++i) {
+		int temp;
+		DREF DeeObject *lhs_elem, *rhs_elem;
+		DREF DeeObject *index_ob;
+		index_ob = DeeInt_NewSize(i);
+		if unlikely(!index_ob)
+			goto err;
+		lhs_elem = (*lhs_getitem)(lhs, index_ob);
+		Dee_Decref(index_ob);
+		if unlikely(!lhs_elem) {
+			if (DeeError_Catch(&DeeError_UnboundItem)) {
+				/* Unbound... */
+			} else if (DeeError_Catch(&DeeError_IndexError)) {
+				return 1; /* RHS got smaller... -> lhs > rhs */
+			} else {
+				goto err;
+			}
+		}
+		rhs_elem = (*rhs_getitem_index)(rhs, i);
+		if unlikely(!rhs_elem) {
+			if (DeeError_Catch(&DeeError_UnboundItem)) {
+				/* Unbound... */
+			} else if (DeeError_Catch(&DeeError_IndexError)) {
+				Dee_XDecref(lhs_elem);
+				return 1; /* RHS got smaller... -> lhs > rhs */
+			} else {
+				Dee_XDecref(lhs_elem);
+				goto err;
+			}
+		}
+		if (!lhs_elem || !rhs_elem) {
+			if (!lhs_elem && !rhs_elem)
+				continue; /* Both unbound */
+			if (lhs_elem) {
+				Dee_Decref(lhs_elem);
+			} else {
+				Dee_Decref(rhs_elem);
+			}
+#ifdef DEFINE_compareeq
+			return 1; /* Not-equal */
+#else /* DEFINE_compareeq */
+			return lhs_elem ? 1 : -1;
+#endif /* !DEFINE_compareeq */
+		}
+		temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+		Dee_Decref(rhs_elem);
+		Dee_Decref(lhs_elem);
+		if (temp != 0)
+			return temp;
+		if (DeeThread_CheckInterrupt())
+			goto err;
+	}
+#ifdef DEFINE_compareeq
+	return 0; /* Equal */
+#else /* DEFINE_compareeq */
+	return Dee_Compare(lhs_size, lhs_size);
+#endif /* !DEFINE_compareeq */
+err:
+	return Dee_COMPARE_ERR;
+}
+
+INTERN WUNUSED NONNULL((1, 2, 3, 4, 5, 6)) int DCALL
+LOCAL_seq_docompare__(lhs_sizeob_and_getitem__rhs_sizeob_and_getitem)(DeeObject *lhs, DeeObject *lhs_sizeob, DREF DeeObject *(DCALL *lhs_getitem)(DeeObject *self, DeeObject *index),
+                                                                      DeeObject *rhs, DeeObject *rhs_sizeob, DREF DeeObject *(DCALL *rhs_getitem)(DeeObject *self, DeeObject *index)) {
+	int temp;
+#ifndef DEFINE_compareeq
+	bool common_sizeob__is__lhs_sizeob = true;
+#endif /* !DEFINE_compareeq */
+	DREF DeeObject *index_ob;
+	DeeObject *common_sizeob = lhs_sizeob;
+#ifdef DEFINE_compareeq
+	temp = DeeObject_CompareEq(common_sizeob, rhs_sizeob);
+	if unlikely(temp < 0)
+		goto err;
+	if (!temp)
+		return 1; /* Not-equal */
+#else /* DEFINE_compareeq */
+	temp = DeeObject_CompareLo(common_sizeob, rhs_sizeob);
+	if unlikely(temp < 0)
+		goto err;
+	if (!temp) {
+		common_sizeob__is__lhs_sizeob = false;
+		common_sizeob = rhs_sizeob;
+	}
+#endif /* !DEFINE_compareeq */
+
+	index_ob = DeeObject_NewDefault(Dee_TYPE(common_sizeob));
+	if unlikely(!index_ob)
+		goto err;
+	for (;;) {
+		DREF DeeObject *lhs_elem, *rhs_elem;
+		temp = DeeObject_CompareLo(index_ob, common_sizeob);
+		if unlikely(temp < 0)
+			goto err_index_ob;
+		if (!temp)
+			break;
+		lhs_elem = (*lhs_getitem)(lhs, index_ob);
+		if unlikely(!lhs_elem) {
+			if (DeeError_Catch(&DeeError_UnboundItem)) {
+				/* Unbound... */
+			} else if (DeeError_Catch(&DeeError_IndexError)) {
+				Dee_Decref(index_ob);
+				return -1; /* LHS got smaller... -> lhs < rhs */
+			} else {
+				goto err_index_ob;
+			}
+		}
+		rhs_elem = (*rhs_getitem)(rhs, index_ob);
+		if unlikely(!rhs_elem) {
+			if (DeeError_Catch(&DeeError_UnboundItem)) {
+				/* Unbound... */
+			} else if (DeeError_Catch(&DeeError_IndexError)) {
+				Dee_Decref(index_ob);
+				Dee_XDecref(lhs_elem);
+				return 1; /* RHS got smaller... -> lhs > rhs */
+			} else {
+				Dee_XDecref(lhs_elem);
+				goto err_index_ob;
+			}
+		}
+		temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+		Dee_Decref(rhs_elem);
+		Dee_Decref(lhs_elem);
+		if (temp != 0) {
+			Dee_Decref(index_ob);
+			return temp;
+		}
+		if (DeeThread_CheckInterrupt())
+			goto err_index_ob;
+		if (DeeObject_Inc(&index_ob))
+			goto err_index_ob;
+	}
+	Dee_Decref(index_ob);
+#ifdef DEFINE_compareeq
+	return 0; /* Equal */
+#else /* DEFINE_compareeq */
+	if (!common_sizeob__is__lhs_sizeob)
+		return 1; /* lhs_size > rhs_size */
+	temp = DeeObject_CompareEq(lhs_sizeob, rhs_sizeob);
+	if unlikely(temp < 0)
+		goto err;
+	return temp ? 0 : -1;
+#endif /* !DEFINE_compareeq */
+err_index_ob:
+	Dee_Decref(index_ob);
+err:
+	return Dee_COMPARE_ERR;
+}
+
+
+
+
+
+
+/************************************************************************/
+/* Implementations when "lhs" should be accessed using typed sizeob+getitem. */
+/************************************************************************/
+INTERN WUNUSED NONNULL((1, 2, 3, 4, 5, 7)) int DCALL
+LOCAL_seq_docompare__(lhs_tsizeob_and_getitem__rhs_size_and_getitem_index_fast)(DeeTypeObject *tp_lhs, DeeObject *lhs, DeeObject *lhs_sizeob, DREF DeeObject *(DCALL *lhs_tgetitem)(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index),
+                                                                                DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index_fast)(DeeObject *self, size_t index)) {
+	size_t i, common_size = rhs_size;
+	size_t lhs_size = object_to_size_with_overflow_handler(lhs_sizeob);
+	if unlikely(lhs_size == (size_t)-1)
+		goto err;
+#ifdef DEFINE_compareeq
+	if (common_size != lhs_size)
+		return 1; /* not-equal */
+#else /* DEFINE_compareeq */
+	if (common_size > lhs_size)
+		common_size = lhs_size;
+#endif /* DEFINE_compareeq */
+	for (i = 0; i < common_size; ++i) {
+		int temp;
+		DREF DeeObject *lhs_elem, *rhs_elem;
+		DREF DeeObject *index_ob;
+		index_ob = DeeInt_NewSize(i);
+		if unlikely(!index_ob)
+			goto err;
+		lhs_elem = (*lhs_tgetitem)(tp_lhs, lhs, index_ob);
+		Dee_Decref(index_ob);
+		if unlikely(!lhs_elem) {
+			if (DeeError_Catch(&DeeError_UnboundItem)) {
+				/* Unbound... */
+			} else if (DeeError_Catch(&DeeError_IndexError)) {
+				return 1; /* RHS got smaller... -> lhs > rhs */
+			} else {
+				goto err;
+			}
+		}
+		rhs_elem = (*rhs_getitem_index_fast)(rhs, i);
+		if (!lhs_elem || !rhs_elem) {
+			if (!lhs_elem && !rhs_elem)
+				continue; /* Both unbound */
+			if (rhs_elem) {
+				Dee_Decref(rhs_elem);
+			} else {
+				Dee_Decref(lhs_elem);
+			}
+#ifdef DEFINE_compareeq
+			return 1; /* Not-equal */
+#else /* DEFINE_compareeq */
+			return lhs_elem ? 1 : -1;
+#endif /* !DEFINE_compareeq */
+		}
+		temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+		Dee_Decref(rhs_elem);
+		Dee_Decref(lhs_elem);
+		if (temp != 0)
+			return temp;
+	}
+#ifdef DEFINE_compareeq
+	return 0; /* Equal */
+#else /* DEFINE_compareeq */
+	return Dee_Compare(lhs_size, lhs_size);
+#endif /* !DEFINE_compareeq */
+err:
+	return Dee_COMPARE_ERR;
+}
+
+INTERN WUNUSED NONNULL((1, 2, 3, 4, 5, 7)) int DCALL
+LOCAL_seq_docompare__(lhs_tsizeob_and_getitem__rhs_size_and_trygetitem_index)(DeeTypeObject *tp_lhs, DeeObject *lhs, DeeObject *lhs_sizeob, DREF DeeObject *(DCALL *lhs_tgetitem)(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index),
+                                                                              DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_trygetitem_index)(DeeObject *self, size_t index)) {
+	size_t i, common_size = rhs_size;
+	size_t lhs_size = object_to_size_with_overflow_handler(lhs_sizeob);
+	if unlikely(lhs_size == (size_t)-1)
+		goto err;
+#ifdef DEFINE_compareeq
+	if (common_size != lhs_size)
+		return 1; /* not-equal */
+#else /* DEFINE_compareeq */
+	if (common_size > lhs_size)
+		common_size = lhs_size;
+#endif /* DEFINE_compareeq */
+	for (i = 0; i < common_size; ++i) {
+		int temp;
+		DREF DeeObject *lhs_elem, *rhs_elem;
+		DREF DeeObject *index_ob;
+		index_ob = DeeInt_NewSize(i);
+		if unlikely(!index_ob)
+			goto err;
+		lhs_elem = (*lhs_tgetitem)(tp_lhs, lhs, index_ob);
+		Dee_Decref(index_ob);
+		if unlikely(!lhs_elem) {
+			if (DeeError_Catch(&DeeError_UnboundItem)) {
+				/* Unbound... */
+			} else if (DeeError_Catch(&DeeError_IndexError)) {
+				return 1; /* RHS got smaller... -> lhs > rhs */
+			} else {
+				goto err;
+			}
+		}
+		rhs_elem = (*rhs_trygetitem_index)(rhs, i);
+		if unlikely(!rhs_elem) {
+			Dee_XDecref(lhs_elem);
+			goto err;
+		}
+		if (!lhs_elem || (rhs_elem == ITER_DONE)) {
+			if (!lhs_elem && (rhs_elem == ITER_DONE))
+				continue; /* Both unbound */
+			if (lhs_elem) {
+				Dee_Decref(lhs_elem);
+			} else {
+				Dee_Decref(rhs_elem);
+			}
+#ifdef DEFINE_compareeq
+			return 1; /* Not-equal */
+#else /* DEFINE_compareeq */
+			return lhs_elem ? 1 : -1;
+#endif /* !DEFINE_compareeq */
+		}
+		temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+		Dee_Decref(rhs_elem);
+		Dee_Decref(lhs_elem);
+		if (temp != 0)
+			return temp;
+		if (DeeThread_CheckInterrupt())
+			goto err;
+	}
+#ifdef DEFINE_compareeq
+	return 0; /* Equal */
+#else /* DEFINE_compareeq */
+	return Dee_Compare(lhs_size, lhs_size);
+#endif /* !DEFINE_compareeq */
+err:
+	return Dee_COMPARE_ERR;
+}
+
+INTERN WUNUSED NONNULL((1, 2, 3, 4, 5, 7)) int DCALL
+LOCAL_seq_docompare__(lhs_tsizeob_and_getitem__rhs_size_and_getitem_index)(DeeTypeObject *tp_lhs, DeeObject *lhs, DeeObject *lhs_sizeob, DREF DeeObject *(DCALL *lhs_tgetitem)(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index),
+                                                                           DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index)(DeeObject *self, size_t index)) {
+	size_t i, common_size = rhs_size;
+	size_t lhs_size = object_to_size_with_overflow_handler(lhs_sizeob);
+	if unlikely(lhs_size == (size_t)-1)
+		goto err;
+#ifdef DEFINE_compareeq
+	if (common_size != lhs_size)
+		return 1; /* not-equal */
+#else /* DEFINE_compareeq */
+	if (common_size > lhs_size)
+		common_size = lhs_size;
+#endif /* DEFINE_compareeq */
+	for (i = 0; i < common_size; ++i) {
+		int temp;
+		DREF DeeObject *lhs_elem, *rhs_elem;
+		DREF DeeObject *index_ob;
+		index_ob = DeeInt_NewSize(i);
+		if unlikely(!index_ob)
+			goto err;
+		lhs_elem = (*lhs_tgetitem)(tp_lhs, lhs, index_ob);
+		Dee_Decref(index_ob);
+		if unlikely(!lhs_elem) {
+			if (DeeError_Catch(&DeeError_UnboundItem)) {
+				/* Unbound... */
+			} else if (DeeError_Catch(&DeeError_IndexError)) {
+				return 1; /* RHS got smaller... -> lhs > rhs */
+			} else {
+				goto err;
+			}
+		}
+		rhs_elem = (*rhs_getitem_index)(rhs, i);
+		if unlikely(!rhs_elem) {
+			if (DeeError_Catch(&DeeError_UnboundItem)) {
+				/* Unbound... */
+			} else if (DeeError_Catch(&DeeError_IndexError)) {
+				Dee_XDecref(lhs_elem);
+				return 1; /* RHS got smaller... -> lhs > rhs */
+			} else {
+				Dee_XDecref(lhs_elem);
+				goto err;
+			}
+		}
+		if (!lhs_elem || !rhs_elem) {
+			if (!lhs_elem && !rhs_elem)
+				continue; /* Both unbound */
+			if (lhs_elem) {
+				Dee_Decref(lhs_elem);
+			} else {
+				Dee_Decref(rhs_elem);
+			}
+#ifdef DEFINE_compareeq
+			return 1; /* Not-equal */
+#else /* DEFINE_compareeq */
+			return lhs_elem ? 1 : -1;
+#endif /* !DEFINE_compareeq */
+		}
+		temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+		Dee_Decref(rhs_elem);
+		Dee_Decref(lhs_elem);
+		if (temp != 0)
+			return temp;
+		if (DeeThread_CheckInterrupt())
+			goto err;
+	}
+#ifdef DEFINE_compareeq
+	return 0; /* Equal */
+#else /* DEFINE_compareeq */
+	return Dee_Compare(lhs_size, lhs_size);
+#endif /* !DEFINE_compareeq */
+err:
+	return Dee_COMPARE_ERR;
+}
+
+INTERN WUNUSED NONNULL((1, 2, 3, 4, 5, 6, 7)) int DCALL
+LOCAL_seq_docompare__(lhs_tsizeob_and_getitem__rhs_sizeob_and_getitem)(DeeTypeObject *tp_lhs, DeeObject *lhs, DeeObject *lhs_sizeob, DREF DeeObject *(DCALL *lhs_tgetitem)(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index),
+                                                                       DeeObject *rhs, DeeObject *rhs_sizeob, DREF DeeObject *(DCALL *rhs_getitem)(DeeObject *self, DeeObject *index)) {
+	int temp;
+#ifndef DEFINE_compareeq
+	bool common_sizeob__is__lhs_sizeob = true;
+#endif /* !DEFINE_compareeq */
+	DREF DeeObject *index_ob;
+	DeeObject *common_sizeob = lhs_sizeob;
+#ifdef DEFINE_compareeq
+	temp = DeeObject_CompareEq(common_sizeob, rhs_sizeob);
+	if unlikely(temp < 0)
+		goto err;
+	if (!temp)
+		return 1; /* Not-equal */
+#else /* DEFINE_compareeq */
+	temp = DeeObject_CompareLo(common_sizeob, rhs_sizeob);
+	if unlikely(temp < 0)
+		goto err;
+	if (!temp) {
+		common_sizeob__is__lhs_sizeob = false;
+		common_sizeob = rhs_sizeob;
+	}
+#endif /* !DEFINE_compareeq */
+
+	index_ob = DeeObject_NewDefault(Dee_TYPE(common_sizeob));
+	if unlikely(!index_ob)
+		goto err;
+	for (;;) {
+		DREF DeeObject *lhs_elem, *rhs_elem;
+		temp = DeeObject_CompareLo(index_ob, common_sizeob);
+		if unlikely(temp < 0)
+			goto err_index_ob;
+		if (!temp)
+			break;
+		lhs_elem = (*lhs_tgetitem)(tp_lhs, lhs, index_ob);
+		if unlikely(!lhs_elem) {
+			if (DeeError_Catch(&DeeError_UnboundItem)) {
+				/* Unbound... */
+			} else if (DeeError_Catch(&DeeError_IndexError)) {
+				Dee_Decref(index_ob);
+				return -1; /* LHS got smaller... -> lhs < rhs */
+			} else {
+				goto err_index_ob;
+			}
+		}
+		rhs_elem = (*rhs_getitem)(rhs, index_ob);
+		if unlikely(!rhs_elem) {
+			if (DeeError_Catch(&DeeError_UnboundItem)) {
+				/* Unbound... */
+			} else if (DeeError_Catch(&DeeError_IndexError)) {
+				Dee_Decref(index_ob);
+				Dee_XDecref(lhs_elem);
+				return 1; /* RHS got smaller... -> lhs > rhs */
+			} else {
+				Dee_XDecref(lhs_elem);
+				goto err_index_ob;
+			}
+		}
+		temp = LOCAL_DeeObject_Compare(lhs_elem, rhs_elem);
+		Dee_Decref(rhs_elem);
+		Dee_Decref(lhs_elem);
+		if (temp != 0) {
+			Dee_Decref(index_ob);
+			return temp;
+		}
+		if (DeeThread_CheckInterrupt())
+			goto err_index_ob;
+		if (DeeObject_Inc(&index_ob))
+			goto err_index_ob;
+	}
+	Dee_Decref(index_ob);
+#ifdef DEFINE_compareeq
+	return 0; /* Equal */
+#else /* DEFINE_compareeq */
+	if (!common_sizeob__is__lhs_sizeob)
+		return 1; /* lhs_size > rhs_size */
+	temp = DeeObject_CompareEq(lhs_sizeob, rhs_sizeob);
+	if unlikely(temp < 0)
+		goto err;
+	return temp ? 0 : -1;
+#endif /* !DEFINE_compareeq */
+err_index_ob:
+	Dee_Decref(index_ob);
+err:
+	return Dee_COMPARE_ERR;
+}
+
+
+#undef LOCAL_DeeObject_Compare
+
+DECL_END
+
+#undef LOCAL_seq_compare__
+#undef LOCAL_seq_docompare__
+#undef DEFINE_compareeq
+#undef DEFINE_compare
diff --git a/src/deemon/objects/seq/default-compare.c b/src/deemon/objects/seq/default-compare.c
new file mode 100644
index 000000000..c141399c0
--- /dev/null
+++ b/src/deemon/objects/seq/default-compare.c
@@ -0,0 +1,90 @@
+/* Copyright (c) 2018-2024 Griefer@Work                                       *
+ *                                                                            *
+ * This software is provided 'as-is', without any express or implied          *
+ * warranty. In no event will the authors be held liable for any damages      *
+ * arising from the use of this software.                                     *
+ *                                                                            *
+ * Permission is granted to anyone to use this software for any purpose,      *
+ * including commercial applications, and to alter it and redistribute it     *
+ * freely, subject to the following restrictions:                             *
+ *                                                                            *
+ * 1. The origin of this software must not be misrepresented; you must not    *
+ *    claim that you wrote the original software. If you use this software    *
+ *    in a product, an acknowledgement (see the following) in the product     *
+ *    documentation is required:                                              *
+ *    Portions Copyright (c) 2018-2024 Griefer@Work                           *
+ * 2. Altered source versions must be plainly marked as such, and must not be *
+ *    misrepresented as being the original software.                          *
+ * 3. This notice may not be removed or altered from any source distribution. *
+ */
+#ifndef GUARD_DEEMON_OBJECTS_SEQ_DEFAULT_COMPARE_C
+#define GUARD_DEEMON_OBJECTS_SEQ_DEFAULT_COMPARE_C 1
+
+#include <deemon/api.h>
+#include <deemon/error.h>
+#include <deemon/object.h>
+/**/
+
+#include "default-compare.h"
+
+DECL_BEGIN
+
+/* @return:  1: "sc_lfr_rhs" does contain "lhs_elem"
+ * @return: -2: "sc_lfr_rhs" does not contain "lhs_elem"
+ * @return: -1: Error */
+INTERN WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL
+set_compare__lhs_foreach__rhs__cb(void *arg, DeeObject *lhs_elem) {
+	int contains;
+	DREF DeeObject *contains_ob;
+	struct set_compare__lhs_foreach__rhs__data *data;
+	data = (struct set_compare__lhs_foreach__rhs__data *)arg;
+	contains_ob = (*data->sc_lfr_rcontains)(data->sc_lfr_rhs, lhs_elem);
+	if unlikely(!contains_ob)
+		goto err;
+	contains = DeeObject_BoolInherited(contains_ob);
+	if unlikely(contains < 0)
+		goto err;
+	if (!contains)
+		return -2; /* Not contained */
+	return 1;
+err:
+	return -1;
+}
+
+
+/* @return:  1: "mc_lfr_rhs" does contain "lhs_key" with the same value
+ * @return: -2: "mc_lfr_rhs" does not contain "lhs_key", or has a different value for it
+ * @return: -1: Error */
+INTERN WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL
+map_compare__lhs_foreach__rhs__cb(void *arg, DeeObject *lhs_key, DeeObject *lhs_value) {
+	int values_eq;
+	DREF DeeObject *rhs_value;
+	struct map_compare__lhs_foreach__rhs__data *data;
+	data = (struct map_compare__lhs_foreach__rhs__data *)arg;
+	rhs_value = (*data->mc_lfr_rtrygetitem)(data->mc_lfr_rhs, lhs_key);
+	if unlikely(!rhs_value)
+		goto err;
+	if (rhs_value == ITER_DONE)
+		return -2; /* Missing key */
+	values_eq = DeeObject_CompareEq(lhs_value, rhs_value);
+	Dee_Decref(rhs_value);
+	if unlikely(values_eq < 0)
+		goto err;
+	if (!values_eq)
+		return -2; /* Non-equal values */
+	return 1;
+err:
+	return -1;
+}
+
+
+DECL_END
+
+#ifndef __INTELLISENSE__
+#define DEFINE_compare
+#include "default-compare-impl.c.inl"
+#define DEFINE_compareeq
+#include "default-compare-impl.c.inl"
+#endif /* !__INTELLISENSE__ */
+
+#endif /* !GUARD_DEEMON_OBJECTS_SEQ_DEFAULT_COMPARE_C */
diff --git a/src/deemon/objects/seq/default-compare.h b/src/deemon/objects/seq/default-compare.h
new file mode 100644
index 000000000..32ab3430c
--- /dev/null
+++ b/src/deemon/objects/seq/default-compare.h
@@ -0,0 +1,169 @@
+/* Copyright (c) 2018-2024 Griefer@Work                                       *
+ *                                                                            *
+ * This software is provided 'as-is', without any express or implied          *
+ * warranty. In no event will the authors be held liable for any damages      *
+ * arising from the use of this software.                                     *
+ *                                                                            *
+ * Permission is granted to anyone to use this software for any purpose,      *
+ * including commercial applications, and to alter it and redistribute it     *
+ * freely, subject to the following restrictions:                             *
+ *                                                                            *
+ * 1. The origin of this software must not be misrepresented; you must not    *
+ *    claim that you wrote the original software. If you use this software    *
+ *    in a product, an acknowledgement (see the following) in the product     *
+ *    documentation is required:                                              *
+ *    Portions Copyright (c) 2018-2024 Griefer@Work                           *
+ * 2. Altered source versions must be plainly marked as such, and must not be *
+ *    misrepresented as being the original software.                          *
+ * 3. This notice may not be removed or altered from any source distribution. *
+ */
+#ifndef GUARD_DEEMON_OBJECTS_SEQ_DEFAULT_COMPARE_H
+#define GUARD_DEEMON_OBJECTS_SEQ_DEFAULT_COMPARE_H 1
+
+#include <deemon/api.h>
+#include <deemon/object.h>
+
+DECL_BEGIN
+
+/* Return values for `seq_compareeq__*__cb' callbacks. */
+#define SEQ_COMPAREEQ_FOREACH_RESULT_EQUAL    0
+#define SEQ_COMPAREEQ_FOREACH_RESULT_ERROR    (-1)
+#define SEQ_COMPAREEQ_FOREACH_RESULT_NOTEQUAL (-2)
+
+/* Return values for `seq_compare__*__cb' callbacks. */
+#define SEQ_COMPARE_FOREACH_RESULT_EQUAL    0
+#define SEQ_COMPARE_FOREACH_RESULT_ERROR    (-1)
+#define SEQ_COMPARE_FOREACH_RESULT_LESS     (-2)
+#define SEQ_COMPARE_FOREACH_RESULT_GREATER  (-3)
+
+
+struct seq_compareforeach__size_and_getitem_index__data {
+	DeeObject *scf_sgi_other;  /* [1..1] "other" sequence */
+	size_t     scf_sgi_osize;  /* Size of the "other" sequence */
+	size_t     scf_sgi_oindex; /* Next index to load the element of */
+	/* [1..1] Callback for loading elements of "scf_sgi_other" (convention depends on used callback) */
+	WUNUSED_T NONNULL_T((1)) DREF DeeObject *(DCALL *scf_sgi_ogetitem_index)(DeeObject *self, size_t index);
+};
+INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL seq_compareeq__lhs_foreach__rhs_size_and_getitem_index_fast__cb(void *arg, DeeObject *lhs_elem);
+INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL seq_compareeq__lhs_foreach__rhs_size_and_trygetitem_index__cb(void *arg, DeeObject *lhs_elem);
+INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL seq_compareeq__lhs_foreach__rhs_size_and_getitem_index__cb(void *arg, DeeObject *lhs_elem);
+INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL seq_compare__lhs_foreach__rhs_size_and_getitem_index_fast__cb(void *arg, DeeObject *lhs_elem);
+INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL seq_compare__lhs_foreach__rhs_size_and_trygetitem_index__cb(void *arg, DeeObject *lhs_elem);
+INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL seq_compare__lhs_foreach__rhs_size_and_getitem_index__cb(void *arg, DeeObject *lhs_elem);
+INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL seq_compareeq__lhs_size_and_getitem_index_fast__rhs_foreach__cb(void *arg, DeeObject *rhs_elem);
+INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL seq_compareeq__lhs_size_and_trygetitem_index__rhs_foreach__cb(void *arg, DeeObject *rhs_elem);
+INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL seq_compareeq__lhs_size_and_getitem_index__rhs_foreach__cb(void *arg, DeeObject *rhs_elem);
+INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL seq_compare__lhs_size_and_getitem_index_fast__rhs_foreach__cb(void *arg, DeeObject *rhs_elem);
+INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL seq_compare__lhs_size_and_trygetitem_index__rhs_foreach__cb(void *arg, DeeObject *rhs_elem);
+INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL seq_compare__lhs_size_and_getitem_index__rhs_foreach__cb(void *arg, DeeObject *rhs_elem);
+
+struct seq_compare_foreach__sizeob_and_getitem__data {
+	DeeObject      *scf_sg_other;  /* [1..1] "other" sequence */
+	DeeObject      *scf_sg_osize;  /* [1..1] Size of the "other" sequence */
+	DREF DeeObject *scf_sg_oindex; /* [1..1] Next index to load the element of */
+	/* [1..1] Callback for loading elements of "scf_sg_other" (convention depends on used callback) */
+	WUNUSED_T NONNULL_T((1)) DREF DeeObject *(DCALL *scf_sg_ogetitem)(DeeObject *self, DeeObject *index);
+};
+INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL seq_compareeq__lhs_foreach__rhs_sizeob_and_getitem__cb(void *arg, DeeObject *lhs_elem);
+INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL seq_compare__lhs_foreach__rhs_sizeob_and_getitem__cb(void *arg, DeeObject *lhs_elem);
+INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL seq_compareeq__lhs_sizeob_and_getitem__rhs_foreach__cb(void *arg, DeeObject *rhs_elem);
+INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL seq_compare__lhs_sizeob_and_getitem__rhs_foreach__cb(void *arg, DeeObject *rhs_elem);
+
+struct seq_compare_foreach__tsizeob_and_getitem__data {
+	DeeTypeObject  *scf_tsg_tpother; /* [1..1] Effective type for "scf_tsg_other" */
+	DeeObject      *scf_tsg_other;   /* [1..1] "other" sequence */
+	DeeObject      *scf_tsg_osize;   /* [1..1] Size of the "other" sequence */
+	DREF DeeObject *scf_tsg_oindex;  /* [1..1] Next index to load the element of */
+	/* [1..1] Callback for loading elements of "scf_tsg_other" (convention depends on used callback) */
+	WUNUSED_T NONNULL_T((1, 2, 3)) DREF DeeObject *(DCALL *scf_tsg_otgetitem)(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index);
+};
+/*INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL seq_compareeq__lhs_foreach__trhs_sizeob_and_getitem__cb(void *arg, DeeObject *lhs_elem);*/
+/*INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL seq_compare__lhs_foreach__trhs_sizeob_and_getitem__cb(void *arg, DeeObject *lhs_elem);*/
+INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL seq_compareeq__tlhs_sizeob_and_getitem__rhs_foreach__cb(void *arg, DeeObject *rhs_elem);
+INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL seq_compare__tlhs_sizeob_and_getitem__rhs_foreach__cb(void *arg, DeeObject *rhs_elem);
+
+/* @param: arg: [1..1] DeeObject *other_iter; */
+INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL seq_compareeq__lhs_foreach__rhs_iter__cb(void *arg, DeeObject *lhs_elem);
+INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL seq_compare__lhs_foreach__rhs_iter__cb(void *arg, DeeObject *lhs_elem);
+/*INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL seq_compareeq__lhs_iter__rhs_foreach__cb(void *arg, DeeObject *rhs_elem);*/
+/*INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL seq_compare__lhs_iter__rhs_foreach__cb(void *arg, DeeObject *rhs_elem);*/
+
+
+/* Implementations when "lhs" should be accessed using size+getitem_index_fast. */
+INTDEF WUNUSED NONNULL((1, 3, 4, 6)) int DCALL seq_docompareeq__lhs_size_and_getitem_index_fast__rhs_size_and_getitem_index_fast(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_getitem_index_fast)(DeeObject *self, size_t index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index_fast)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 3, 4, 6)) int DCALL seq_docompareeq__lhs_size_and_getitem_index_fast__rhs_size_and_trygetitem_index(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_getitem_index_fast)(DeeObject *self, size_t index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_trygetitem_index)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 3, 4, 6)) int DCALL seq_docompareeq__lhs_size_and_getitem_index_fast__rhs_size_and_getitem_index(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_getitem_index_fast)(DeeObject *self, size_t index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 3, 4, 5, 6)) int DCALL seq_docompareeq__lhs_size_and_getitem_index_fast__rhs_sizeob_and_getitem(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_getitem_index_fast)(DeeObject *self, size_t index), DeeObject *rhs, DeeObject *rhs_sizeob, DREF DeeObject *(DCALL *rhs_getitem)(DeeObject *self, DeeObject *index));
+INTDEF WUNUSED NONNULL((1, 3, 4, 6)) int DCALL seq_docompare__lhs_size_and_getitem_index_fast__rhs_size_and_getitem_index_fast(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_getitem_index_fast)(DeeObject *self, size_t index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index_fast)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 3, 4, 6)) int DCALL seq_docompare__lhs_size_and_getitem_index_fast__rhs_size_and_trygetitem_index(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_getitem_index_fast)(DeeObject *self, size_t index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_trygetitem_index)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 3, 4, 6)) int DCALL seq_docompare__lhs_size_and_getitem_index_fast__rhs_size_and_getitem_index(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_getitem_index_fast)(DeeObject *self, size_t index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 3, 4, 5, 6)) int DCALL seq_docompare__lhs_size_and_getitem_index_fast__rhs_sizeob_and_getitem(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_getitem_index_fast)(DeeObject *self, size_t index), DeeObject *rhs, DeeObject *rhs_sizeob, DREF DeeObject *(DCALL *rhs_getitem)(DeeObject *self, DeeObject *index));
+
+/* Implementations when "lhs" should be accessed using size+trygetitem_index. */
+INTDEF WUNUSED NONNULL((1, 3, 4, 6)) int DCALL seq_docompareeq__lhs_size_and_trygetitem_index__rhs_size_and_getitem_index_fast(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_trygetitem_index)(DeeObject *self, size_t index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index_fast)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 3, 4, 6)) int DCALL seq_docompareeq__lhs_size_and_trygetitem_index__rhs_size_and_trygetitem_index(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_trygetitem_index)(DeeObject *self, size_t index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_trygetitem_index)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 3, 4, 6)) int DCALL seq_docompareeq__lhs_size_and_trygetitem_index__rhs_size_and_getitem_index(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_trygetitem_index)(DeeObject *self, size_t index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 3, 4, 5, 6)) int DCALL seq_docompareeq__lhs_size_and_trygetitem_index__rhs_sizeob_and_getitem(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_trygetitem_index)(DeeObject *self, size_t index), DeeObject *rhs, DeeObject *rhs_sizeob, DREF DeeObject *(DCALL *rhs_getitem)(DeeObject *self, DeeObject *index));
+INTDEF WUNUSED NONNULL((1, 3, 4, 6)) int DCALL seq_docompare__lhs_size_and_trygetitem_index__rhs_size_and_getitem_index_fast(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_trygetitem_index)(DeeObject *self, size_t index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index_fast)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 3, 4, 6)) int DCALL seq_docompare__lhs_size_and_trygetitem_index__rhs_size_and_trygetitem_index(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_trygetitem_index)(DeeObject *self, size_t index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_trygetitem_index)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 3, 4, 6)) int DCALL seq_docompare__lhs_size_and_trygetitem_index__rhs_size_and_getitem_index(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_trygetitem_index)(DeeObject *self, size_t index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 3, 4, 5, 6)) int DCALL seq_docompare__lhs_size_and_trygetitem_index__rhs_sizeob_and_getitem(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_trygetitem_index)(DeeObject *self, size_t index), DeeObject *rhs, DeeObject *rhs_sizeob, DREF DeeObject *(DCALL *rhs_getitem)(DeeObject *self, DeeObject *index));
+
+/* Implementations when "lhs" should be accessed using size+getitem_index. */
+INTDEF WUNUSED NONNULL((1, 3, 4, 6)) int DCALL seq_docompareeq__lhs_size_and_getitem_index__rhs_size_and_getitem_index_fast(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_getitem_index)(DeeObject *self, size_t index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index_fast)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 3, 4, 6)) int DCALL seq_docompareeq__lhs_size_and_getitem_index__rhs_size_and_trygetitem_index(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_getitem_index)(DeeObject *self, size_t index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_trygetitem_index)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 3, 4, 6)) int DCALL seq_docompareeq__lhs_size_and_getitem_index__rhs_size_and_getitem_index(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_getitem_index)(DeeObject *self, size_t index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 3, 4, 5, 6)) int DCALL seq_docompareeq__lhs_size_and_getitem_index__rhs_sizeob_and_getitem(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_getitem_index)(DeeObject *self, size_t index), DeeObject *rhs, DeeObject *rhs_sizeob, DREF DeeObject *(DCALL *rhs_getitem)(DeeObject *self, DeeObject *index));
+INTDEF WUNUSED NONNULL((1, 3, 4, 6)) int DCALL seq_docompare__lhs_size_and_getitem_index__rhs_size_and_getitem_index_fast(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_getitem_index)(DeeObject *self, size_t index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index_fast)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 3, 4, 6)) int DCALL seq_docompare__lhs_size_and_getitem_index__rhs_size_and_trygetitem_index(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_getitem_index)(DeeObject *self, size_t index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_trygetitem_index)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 3, 4, 6)) int DCALL seq_docompare__lhs_size_and_getitem_index__rhs_size_and_getitem_index(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_getitem_index)(DeeObject *self, size_t index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 3, 4, 5, 6)) int DCALL seq_docompare__lhs_size_and_getitem_index__rhs_sizeob_and_getitem(DeeObject *lhs, size_t lhs_size, DREF DeeObject *(DCALL *lhs_getitem_index)(DeeObject *self, size_t index), DeeObject *rhs, DeeObject *rhs_sizeob, DREF DeeObject *(DCALL *rhs_getitem)(DeeObject *self, DeeObject *index));
+
+/* Implementations when "lhs" should be accessed using sizeob+getitem. */
+INTDEF WUNUSED NONNULL((1, 2, 3, 4, 6)) int DCALL seq_docompareeq__lhs_sizeob_and_getitem__rhs_size_and_getitem_index_fast(DeeObject *lhs, DeeObject *lhs_sizeob, DREF DeeObject *(DCALL *lhs_getitem)(DeeObject *self, DeeObject *index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index_fast)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 2, 3, 4, 6)) int DCALL seq_docompareeq__lhs_sizeob_and_getitem__rhs_size_and_trygetitem_index(DeeObject *lhs, DeeObject *lhs_sizeob, DREF DeeObject *(DCALL *lhs_getitem)(DeeObject *self, DeeObject *index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_trygetitem_index)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 2, 3, 4, 6)) int DCALL seq_docompareeq__lhs_sizeob_and_getitem__rhs_size_and_getitem_index(DeeObject *lhs, DeeObject *lhs_sizeob, DREF DeeObject *(DCALL *lhs_getitem)(DeeObject *self, DeeObject *index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 2, 3, 4, 5, 6)) int DCALL seq_docompareeq__lhs_sizeob_and_getitem__rhs_sizeob_and_getitem(DeeObject *lhs, DeeObject *lhs_sizeob, DREF DeeObject *(DCALL *lhs_getitem)(DeeObject *self, DeeObject *index), DeeObject *rhs, DeeObject *rhs_sizeob, DREF DeeObject *(DCALL *rhs_getitem)(DeeObject *self, DeeObject *index));
+INTDEF WUNUSED NONNULL((1, 2, 3, 4, 6)) int DCALL seq_docompare__lhs_sizeob_and_getitem__rhs_size_and_getitem_index_fast(DeeObject *lhs, DeeObject *lhs_sizeob, DREF DeeObject *(DCALL *lhs_getitem)(DeeObject *self, DeeObject *index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index_fast)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 2, 3, 4, 6)) int DCALL seq_docompare__lhs_sizeob_and_getitem__rhs_size_and_trygetitem_index(DeeObject *lhs, DeeObject *lhs_sizeob, DREF DeeObject *(DCALL *lhs_getitem)(DeeObject *self, DeeObject *index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_trygetitem_index)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 2, 3, 4, 6)) int DCALL seq_docompare__lhs_sizeob_and_getitem__rhs_size_and_getitem_index(DeeObject *lhs, DeeObject *lhs_sizeob, DREF DeeObject *(DCALL *lhs_getitem)(DeeObject *self, DeeObject *index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 2, 3, 4, 5, 6)) int DCALL seq_docompare__lhs_sizeob_and_getitem__rhs_sizeob_and_getitem(DeeObject *lhs, DeeObject *lhs_sizeob, DREF DeeObject *(DCALL *lhs_getitem)(DeeObject *self, DeeObject *index), DeeObject *rhs, DeeObject *rhs_sizeob, DREF DeeObject *(DCALL *rhs_getitem)(DeeObject *self, DeeObject *index));
+
+/* Implementations when "lhs" should be accessed using typed sizeob+getitem. */
+INTDEF WUNUSED NONNULL((1, 2, 3, 4, 5, 7)) int DCALL seq_docompareeq__lhs_tsizeob_and_getitem__rhs_size_and_getitem_index_fast(DeeTypeObject *tp_lhs, DeeObject *lhs, DeeObject *lhs_sizeob, DREF DeeObject *(DCALL *lhs_tgetitem)(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index_fast)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 2, 3, 4, 5, 7)) int DCALL seq_docompareeq__lhs_tsizeob_and_getitem__rhs_size_and_trygetitem_index(DeeTypeObject *tp_lhs, DeeObject *lhs, DeeObject *lhs_sizeob, DREF DeeObject *(DCALL *lhs_tgetitem)(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_trygetitem_index)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 2, 3, 4, 5, 7)) int DCALL seq_docompareeq__lhs_tsizeob_and_getitem__rhs_size_and_getitem_index(DeeTypeObject *tp_lhs, DeeObject *lhs, DeeObject *lhs_sizeob, DREF DeeObject *(DCALL *lhs_tgetitem)(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 2, 3, 4, 5, 6, 7)) int DCALL seq_docompareeq__lhs_tsizeob_and_getitem__rhs_sizeob_and_getitem(DeeTypeObject *tp_lhs, DeeObject *lhs, DeeObject *lhs_sizeob, DREF DeeObject *(DCALL *lhs_tgetitem)(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index), DeeObject *rhs, DeeObject *rhs_sizeob, DREF DeeObject *(DCALL *rhs_getitem)(DeeObject *self, DeeObject *index));
+INTDEF WUNUSED NONNULL((1, 2, 3, 4, 5, 7)) int DCALL seq_docompare__lhs_tsizeob_and_getitem__rhs_size_and_getitem_index_fast(DeeTypeObject *tp_lhs, DeeObject *lhs, DeeObject *lhs_sizeob, DREF DeeObject *(DCALL *lhs_tgetitem)(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index_fast)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 2, 3, 4, 5, 7)) int DCALL seq_docompare__lhs_tsizeob_and_getitem__rhs_size_and_trygetitem_index(DeeTypeObject *tp_lhs, DeeObject *lhs, DeeObject *lhs_sizeob, DREF DeeObject *(DCALL *lhs_tgetitem)(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_trygetitem_index)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 2, 3, 4, 5, 7)) int DCALL seq_docompare__lhs_tsizeob_and_getitem__rhs_size_and_getitem_index(DeeTypeObject *tp_lhs, DeeObject *lhs, DeeObject *lhs_sizeob, DREF DeeObject *(DCALL *lhs_tgetitem)(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index), DeeObject *rhs, size_t rhs_size, DREF DeeObject *(DCALL *rhs_getitem_index)(DeeObject *self, size_t index));
+INTDEF WUNUSED NONNULL((1, 2, 3, 4, 5, 6, 7)) int DCALL seq_docompare__lhs_tsizeob_and_getitem__rhs_sizeob_and_getitem(DeeTypeObject *tp_lhs, DeeObject *lhs, DeeObject *lhs_sizeob, DREF DeeObject *(DCALL *lhs_tgetitem)(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index), DeeObject *rhs, DeeObject *rhs_sizeob, DREF DeeObject *(DCALL *rhs_getitem)(DeeObject *self, DeeObject *index));
+
+
+
+struct set_compare__lhs_foreach__rhs__data {
+	DeeObject *sc_lfr_rhs; /* [1..1] The right-hand-side set */
+	/* [1..1] The tp_contains-operator for "sc_lfr_rhs" */
+	DREF DeeObject *(DCALL *sc_lfr_rcontains)(DeeObject *self, DeeObject *item);
+};
+/* @return:  1: "sc_lfr_rhs" does contain "lhs_elem"
+ * @return: -2: "sc_lfr_rhs" does not contain "lhs_elem"
+ * @return: -1: Error */
+INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL set_compare__lhs_foreach__rhs__cb(void *arg, DeeObject *lhs_elem);
+
+
+struct map_compare__lhs_foreach__rhs__data {
+	DeeObject *mc_lfr_rhs; /* [1..1] The right-hand-side set */
+	/* [1..1] The tp_trygetitem-operator for "mc_lfr_rhs" */
+	DREF DeeObject *(DCALL *mc_lfr_rtrygetitem)(DeeObject *self, DeeObject *key);
+};
+/* @return:  1: "mc_lfr_rhs" does contain "lhs_key" with the same value
+ * @return: -2: "mc_lfr_rhs" does not contain "lhs_key", or has a different value for it
+ * @return: -1: Error */
+INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL map_compare__lhs_foreach__rhs__cb(void *arg, DeeObject *lhs_key, DeeObject *lhs_value);
+
+
+
+DECL_END
+
+#endif /* !GUARD_DEEMON_OBJECTS_SEQ_DEFAULT_COMPARE_H */
diff --git a/src/deemon/objects/seq/default-iterators.c b/src/deemon/objects/seq/default-iterators.c
index 7f101290d..b83f8dd91 100644
--- a/src/deemon/objects/seq/default-iterators.c
+++ b/src/deemon/objects/seq/default-iterators.c
@@ -36,7 +36,7 @@ DECL_BEGIN
 /* DefaultIterator_WithGetItemIndex_Type                                */
 /* DefaultIterator_WithSizeAndGetItemIndex_Type                         */
 /* DefaultIterator_WithSizeAndGetItemIndexFast_Type                     */
-/* DefaultIterator_WithTryGetItemIndexAndSize_Type                      */
+/* DefaultIterator_WithSizeAndTryGetItemIndex_Type                      */
 /************************************************************************/
 
 STATIC_ASSERT(offsetof(DefaultIterator_WithGetItemIndex, digi_seq) == offsetof(DefaultIterator_WithSizeAndGetItemIndex, disgi_seq));
@@ -232,15 +232,16 @@ di_sgif_setindex(DefaultIterator_WithSizeAndGetItemIndex *self, DeeObject *value
 #define di_sgif_cmp di_gi_cmp
 #define di_stgi_cmp di_gi_cmp
 PRIVATE struct type_cmp di_gi_cmp = {
-	/* .tp_hash    = */ NULL,
-	/* .tp_eq      = */ NULL,
-	/* .tp_ne      = */ NULL,
-	/* .tp_lo      = */ NULL,
-	/* .tp_le      = */ NULL,
-	/* .tp_gr      = */ NULL,
-	/* .tp_ge      = */ NULL,
-	/* .tp_nii     = */ NULL,
-	/* .tp_compare = */ (int (DCALL *)(DeeObject *, DeeObject *))&di_gi_compare,
+	/* .tp_hash       = */ NULL,
+	/* .tp_eq         = */ NULL,
+	/* .tp_ne         = */ NULL,
+	/* .tp_lo         = */ NULL,
+	/* .tp_le         = */ NULL,
+	/* .tp_gr         = */ NULL,
+	/* .tp_ge         = */ NULL,
+	/* .tp_nii        = */ NULL,
+	/* .tp_compare_eq = */ (int (DCALL *)(DeeObject *, DeeObject *))&di_gi_compare,
+	/* .tp_compare    = */ (int (DCALL *)(DeeObject *, DeeObject *))&di_gi_compare,
 };
 
 #define di_stgi_members di_sgi_members
@@ -398,9 +399,9 @@ INTERN DeeTypeObject DefaultIterator_WithSizeAndGetItemIndexFast_Type = {
 	/* .tp_class_members = */ NULL
 };
 
-INTERN DeeTypeObject DefaultIterator_WithTryGetItemIndexAndSize_Type = {
+INTERN DeeTypeObject DefaultIterator_WithSizeAndTryGetItemIndex_Type = {
 	OBJECT_HEAD_INIT(&DeeType_Type),
-	/* .tp_name     = */ "_IterWithTryGetItemIndexAndSize",
+	/* .tp_name     = */ "_IterWithSizeAndTryGetItemIndex",
 	/* .tp_doc      = */ NULL,
 	/* .tp_flags    = */ TP_FNORMAL | TP_FFINAL,
 	/* .tp_weakrefs = */ 0,
@@ -695,15 +696,16 @@ di_tg_iter_next(DefaultIterator_WithTGetItem *__restrict self) {
 
 #define di_tg_cmp di_g_cmp
 PRIVATE struct type_cmp di_g_cmp = {
-	/* .tp_hash    = */ NULL,
-	/* .tp_eq      = */ NULL,
-	/* .tp_ne      = */ NULL,
-	/* .tp_lo      = */ NULL,
-	/* .tp_le      = */ NULL,
-	/* .tp_gr      = */ NULL,
-	/* .tp_ge      = */ NULL,
-	/* .tp_nii     = */ NULL,
-	/* .tp_compare = */ (int (DCALL *)(DeeObject *, DeeObject *))&di_g_compare,
+	/* .tp_hash       = */ NULL,
+	/* .tp_eq         = */ NULL,
+	/* .tp_ne         = */ NULL,
+	/* .tp_lo         = */ NULL,
+	/* .tp_le         = */ NULL,
+	/* .tp_gr         = */ NULL,
+	/* .tp_ge         = */ NULL,
+	/* .tp_nii        = */ NULL,
+	/* .tp_compare_eq = */ (int (DCALL *)(DeeObject *, DeeObject *))&di_g_compare,
+	/* .tp_compare    = */ (int (DCALL *)(DeeObject *, DeeObject *))&di_g_compare,
 };
 
 #define di_tg_members di_g_members
@@ -1235,15 +1237,16 @@ di_nl_iter_next(DefaultIterator_WithNextAndLimit *self) {
 }
 
 PRIVATE struct type_cmp di_nl_cmp = {
-	/* .tp_hash    = */ NULL,
-	/* .tp_eq      = */ NULL,
-	/* .tp_ne      = */ NULL,
-	/* .tp_lo      = */ NULL,
-	/* .tp_le      = */ NULL,
-	/* .tp_gr      = */ NULL,
-	/* .tp_ge      = */ NULL,
-	/* .tp_nii     = */ NULL,
-	/* .tp_compare = */ (int (DCALL *)(DeeObject *, DeeObject *))&di_nl_compare,
+	/* .tp_hash       = */ NULL,
+	/* .tp_eq         = */ NULL,
+	/* .tp_ne         = */ NULL,
+	/* .tp_lo         = */ NULL,
+	/* .tp_le         = */ NULL,
+	/* .tp_gr         = */ NULL,
+	/* .tp_ge         = */ NULL,
+	/* .tp_nii        = */ NULL,
+	/* .tp_compare_eq = */ (int (DCALL *)(DeeObject *, DeeObject *))&di_nl_compare,
+	/* .tp_compare    = */ (int (DCALL *)(DeeObject *, DeeObject *))&di_nl_compare,
 };
 
 PRIVATE struct type_member tpconst di_nl_members[] = {
diff --git a/src/deemon/objects/seq/default-iterators.h b/src/deemon/objects/seq/default-iterators.h
index 503a3d982..008a3336c 100644
--- a/src/deemon/objects/seq/default-iterators.h
+++ b/src/deemon/objects/seq/default-iterators.h
@@ -127,7 +127,7 @@ typedef struct {
 INTDEF DeeTypeObject DefaultIterator_WithGetItemIndex_Type;            /* DefaultIterator_WithGetItemIndex */
 INTDEF DeeTypeObject DefaultIterator_WithSizeAndGetItemIndex_Type;     /* DefaultIterator_WithSizeAndGetItemIndex */
 INTDEF DeeTypeObject DefaultIterator_WithSizeAndGetItemIndexFast_Type; /* DefaultIterator_WithSizeAndGetItemIndex */
-INTDEF DeeTypeObject DefaultIterator_WithTryGetItemIndexAndSize_Type;  /* DefaultIterator_WithSizeAndGetItemIndex */
+INTDEF DeeTypeObject DefaultIterator_WithSizeAndTryGetItemIndex_Type;  /* DefaultIterator_WithSizeAndGetItemIndex */
 
 INTDEF DeeTypeObject DefaultIterator_WithGetItem_Type;  /* DefaultIterator_WithGetItem */
 INTDEF DeeTypeObject DefaultIterator_WithTGetItem_Type; /* DefaultIterator_WithTGetItem */
diff --git a/src/deemon/objects/seq/default-sequences.c b/src/deemon/objects/seq/default-sequences.c
index 61e05ab1c..5c161bd07 100644
--- a/src/deemon/objects/seq/default-sequences.c
+++ b/src/deemon/objects/seq/default-sequences.c
@@ -44,7 +44,7 @@ DECL_BEGIN
 /************************************************************************/
 /* DefaultSequence_WithSizeAndGetItemIndex_Type                         */
 /* DefaultSequence_WithSizeAndGetItemIndexFast_Type                     */
-/* DefaultSequence_WithTryGetItemIndexAndSize_Type                      */
+/* DefaultSequence_WithSizeAndTryGetItemIndex_Type                      */
 /************************************************************************/
 
 #define ds_sgif_fini  ds_sgi_fini
@@ -108,7 +108,7 @@ ds_stgi_iter(DefaultSequence_WithSizeAndGetItemIndex *__restrict self) {
 	result->disgi_tp_getitem_index = self->dssgi_tp_getitem_index;
 	result->disgi_index            = self->dssgi_start;
 	result->disgi_end              = self->dssgi_end;
-	DeeObject_Init(result, &DefaultIterator_WithTryGetItemIndexAndSize_Type);
+	DeeObject_Init(result, &DefaultIterator_WithSizeAndTryGetItemIndex_Type);
 	return result;
 err:
 	return NULL;
@@ -593,7 +593,7 @@ ds_stgi_getrange_index(DefaultSequence_WithSizeAndGetItemIndex *__restrict self,
 	result->dssgi_tp_getitem_index = self->dssgi_tp_getitem_index;
 	result->dssgi_start            = self->dssgi_start + range.sr_start;
 	result->dssgi_end              = self->dssgi_start + range.sr_end;
-	DeeObject_Init(result, &DefaultSequence_WithTryGetItemIndexAndSize_Type);
+	DeeObject_Init(result, &DefaultSequence_WithSizeAndTryGetItemIndex_Type);
 	return result;
 err:
 	return NULL;
@@ -659,7 +659,7 @@ ds_stgi_getrange_index_n(DefaultSequence_WithSizeAndGetItemIndex *__restrict sel
 	result->dssgi_tp_getitem_index = self->dssgi_tp_getitem_index;
 	result->dssgi_start            = self->dssgi_start + used_start;
 	result->dssgi_end              = self->dssgi_end;
-	DeeObject_Init(result, &DefaultSequence_WithTryGetItemIndexAndSize_Type);
+	DeeObject_Init(result, &DefaultSequence_WithSizeAndTryGetItemIndex_Type);
 	return result;
 err:
 	return NULL;
@@ -685,7 +685,7 @@ PRIVATE struct type_member ds_sgif_class_members[] = {
 };
 
 PRIVATE struct type_member ds_stgi_class_members[] = {
-	TYPE_MEMBER_CONST(STR_Iterator, &DefaultIterator_WithTryGetItemIndexAndSize_Type),
+	TYPE_MEMBER_CONST(STR_Iterator, &DefaultIterator_WithSizeAndTryGetItemIndex_Type),
 	TYPE_MEMBER_END
 };
 
@@ -915,9 +915,9 @@ INTERN DeeTypeObject DefaultSequence_WithSizeAndGetItemIndexFast_Type = {
 	/* .tp_class_members = */ ds_sgif_class_members
 };
 
-INTERN DeeTypeObject DefaultSequence_WithTryGetItemIndexAndSize_Type = {
+INTERN DeeTypeObject DefaultSequence_WithSizeAndTryGetItemIndex_Type = {
 	OBJECT_HEAD_INIT(&DeeType_Type),
-	/* .tp_name     = */ "_SeqWithTryGetItemIndexAndSize",
+	/* .tp_name     = */ "_SeqWithSizeAndTryGetItemIndex",
 	/* .tp_doc      = */ NULL,
 	/* .tp_flags    = */ TP_FNORMAL | TP_FFINAL,
 	/* .tp_weakrefs = */ 0,
diff --git a/src/deemon/objects/seq/default-sequences.h b/src/deemon/objects/seq/default-sequences.h
index d68dc00d3..11c9a7390 100644
--- a/src/deemon/objects/seq/default-sequences.h
+++ b/src/deemon/objects/seq/default-sequences.h
@@ -75,7 +75,7 @@ typedef struct {
 
 INTDEF DeeTypeObject DefaultSequence_WithSizeAndGetItemIndex_Type;     /* DefaultSequence_WithSizeAndGetItemIndex */
 INTDEF DeeTypeObject DefaultSequence_WithSizeAndGetItemIndexFast_Type; /* DefaultSequence_WithSizeAndGetItemIndex */
-INTDEF DeeTypeObject DefaultSequence_WithTryGetItemIndexAndSize_Type;  /* DefaultSequence_WithSizeAndGetItemIndex */
+INTDEF DeeTypeObject DefaultSequence_WithSizeAndTryGetItemIndex_Type;  /* DefaultSequence_WithSizeAndGetItemIndex */
 INTDEF DeeTypeObject DefaultSequence_WithSizeAndGetItem_Type;          /* DefaultSequence_WithSizeAndGetItem */
 INTDEF DeeTypeObject DefaultSequence_WithTSizeAndGetItem_Type;         /* DefaultSequence_WithTSizeAndGetItem */
 INTDEF DeeTypeObject DefaultSequence_WithIter_Type;                    /* DefaultSequence_WithIter */
diff --git a/src/deemon/objects/type-operators.c b/src/deemon/objects/type-operators.c
index 6d008bfd3..290f0dde0 100644
--- a/src/deemon/objects/type-operators.c
+++ b/src/deemon/objects/type-operators.c
@@ -109,7 +109,6 @@ DEFINE_TYPE_INHERIT_HOOK(do_DeeType_InheritAnd, DeeType_InheritAnd);
 DEFINE_TYPE_INHERIT_HOOK(do_DeeType_InheritOr, DeeType_InheritOr);
 DEFINE_TYPE_INHERIT_HOOK(do_DeeType_InheritXor, DeeType_InheritXor);
 DEFINE_TYPE_INHERIT_HOOK(do_DeeType_InheritPow, DeeType_InheritPow);
-DEFINE_TYPE_INHERIT_HOOK(do_DeeType_InheritHash, DeeType_InheritHash);
 DEFINE_TYPE_INHERIT_HOOK(do_DeeType_InheritCompare, DeeType_InheritCompare);
 DEFINE_TYPE_INHERIT_HOOK(do_DeeType_InheritIterNext, DeeType_InheritIterNext);
 DEFINE_TYPE_INHERIT_HOOK(do_DeeType_InheritIter, DeeType_InheritIter);
@@ -234,7 +233,7 @@ DEFINE_OPERATOR_INVOKE(operator_float, &instance_double, &do_DeeType_InheritInt)
 	return NULL;
 }
 
-DEFINE_OPERATOR_INVOKE(operator_hash, &instance_hash, &do_DeeType_InheritHash) {
+DEFINE_OPERATOR_INVOKE(operator_hash, &instance_hash, &do_DeeType_InheritCompare) {
 	dhash_t result;
 	(void)p_self;
 	(void)opname;
diff --git a/src/deemon/runtime/operator.c b/src/deemon/runtime/operator.c
index ab2e33077..d854dc0f6 100644
--- a/src/deemon/runtime/operator.c
+++ b/src/deemon/runtime/operator.c
@@ -56,6 +56,7 @@
 #include <stdarg.h>
 
 #include "../objects/int_logic.h"
+#include "../objects/seq/default-compare.h"
 #include "../objects/seq/default-iterators.h"
 #include "../objects/seq/default-sequences.h"
 #include "../objects/seq/each.h"
@@ -312,6 +313,10 @@ DeeSystem_DEFINE_memsetp(dee_memsetp)
 #define DeeType_INVOKE_GR_NODEFAULT                      DeeType_InvokeCmpGr_NODEFAULT
 #define DeeType_INVOKE_GE                                DeeType_InvokeCmpGe
 #define DeeType_INVOKE_GE_NODEFAULT                      DeeType_InvokeCmpGe_NODEFAULT
+#define DeeType_INVOKE_COMPARE_EQ                        DeeType_InvokeCmpCompareEq
+#define DeeType_INVOKE_COMPARE_EQ_NODEFAULT              DeeType_InvokeCmpCompareEq_NODEFAULT
+#define DeeType_INVOKE_COMPARE                           DeeType_InvokeCmpCompare
+#define DeeType_INVOKE_COMPARE_NODEFAULT                 DeeType_InvokeCmpCompare_NODEFAULT
 #define DeeType_INVOKE_ITER                              DeeType_InvokeSeqIter
 #define DeeType_INVOKE_ITER_NODEFAULT                    DeeType_InvokeSeqIter_NODEFAULT
 #define DeeType_INVOKE_SIZEOB                            DeeType_InvokeSeqSizeOb
@@ -451,6 +456,8 @@ DeeSystem_DEFINE_memsetp(dee_memsetp)
 #define DeeType_INVOKE_LE(tp_self, self, other)                                      (*(tp_self)->tp_cmp->tp_le)(self, other)
 #define DeeType_INVOKE_GR(tp_self, self, other)                                      (*(tp_self)->tp_cmp->tp_gr)(self, other)
 #define DeeType_INVOKE_GE(tp_self, self, other)                                      (*(tp_self)->tp_cmp->tp_ge)(self, other)
+#define DeeType_INVOKE_COMPARE_EQ(tp_self, self, other)                              (*(tp_self)->tp_cmp->tp_compare_eq)(self, other)
+#define DeeType_INVOKE_COMPARE(tp_self, self, other)                                 (*(tp_self)->tp_cmp->tp_compare)(self, other)
 #define DeeType_INVOKE_ITER(tp_self, self)                                           (*(tp_self)->tp_seq->tp_iter)(self)
 #define DeeType_INVOKE_SIZEOB(tp_self, self)                                         (*(tp_self)->tp_seq->tp_sizeob)(self)
 #define DeeType_INVOKE_CONTAINS(tp_self, self, other)                                (*(tp_self)->tp_seq->tp_contains)(self, other)
@@ -545,6 +552,8 @@ DeeSystem_DEFINE_memsetp(dee_memsetp)
 #define DeeType_INVOKE_LE_NODEFAULT                      DeeType_INVOKE_LE
 #define DeeType_INVOKE_GR_NODEFAULT                      DeeType_INVOKE_GR
 #define DeeType_INVOKE_GE_NODEFAULT                      DeeType_INVOKE_GE
+#define DeeType_INVOKE_COMPARE_EQ_NODEFAULT              DeeType_INVOKE_COMPARE_EQ
+#define DeeType_INVOKE_COMPARE_NODEFAULT                 DeeType_INVOKE_COMPARE
 #define DeeType_INVOKE_ITER_NODEFAULT                    DeeType_INVOKE_ITER
 #define DeeType_INVOKE_SIZEOB_NODEFAULT                  DeeType_INVOKE_SIZEOB
 #define DeeType_INVOKE_CONTAINS_NODEFAULT                DeeType_INVOKE_CONTAINS
@@ -2252,7 +2261,7 @@ WUNUSED /*ATTR_PURE*/
 DEFINE_OPERATOR(dhash_t, Hash, (DeeObject *RESTRICT_IF_NOTYPE self)) {
 	LOAD_TP_SELF;
 	if likely((tp_self->tp_cmp && tp_self->tp_cmp->tp_hash) ||
-	          DeeType_InheritHash(tp_self)) {
+	          (DeeType_InheritCompare(tp_self) && tp_self->tp_cmp->tp_hash)) {
 		if likely(!(tp_self->tp_flags & TP_FGC)) {
 			return DeeType_INVOKE_HASH(tp_self, self);
 		} else {
@@ -3323,43 +3332,2061 @@ xinvoke_not(/*[0..1],inherit(always)*/ DREF DeeObject *ob) {
 	return ob;
 }
 
+
+INTDEF NONNULL((1)) Dee_hash_t DCALL DeeSeq_HandleHashError(DeeObject *self);
+INTDEF NONNULL((1)) Dee_hash_t DCALL DeeSet_HandleHashError(DeeObject *self);
+INTDEF NONNULL((1)) Dee_hash_t DCALL DeeMap_HandleHashError(DeeObject *self);
+
+#ifndef DEFINE_TYPED_OPERATORS
+INTERN NONNULL((1)) Dee_hash_t DCALL DeeSeq_HandleHashError(DeeObject *self) {
+	DeeError_Print("Unhandled error in `Sequence.operator hash'\n",
+	               ERROR_PRINT_DOHANDLE);
+	return DeeObject_HashGeneric(self);
+}
+
+INTERN NONNULL((1)) Dee_hash_t DCALL DeeSet_HandleHashError(DeeObject *self) {
+	DeeError_Print("Unhandled error in `Set.operator hash'\n",
+	               ERROR_PRINT_DOHANDLE);
+	return DeeObject_HashGeneric(self);
+}
+
+INTERN NONNULL((1)) Dee_hash_t DCALL DeeMap_HandleHashError(DeeObject *self) {
+	DeeError_Print("Unhandled error in `Mapping.operator hash'\n",
+	               ERROR_PRINT_DOHANDLE);
+	return DeeObject_HashGeneric(self);
+}
+#endif /* !DEFINE_TYPED_OPERATORS */
+
+/* tp_hash */
+DEFINE_INTERNAL_SEQ_OPERATOR(Dee_hash_t, DefaultHashWithSizeAndGetItemIndexFast, (DeeObject *self)) {
+	Dee_hash_t result;
+	size_t i, size;
+	DREF DeeObject *elem;
+	LOAD_TP_SELF;
+	size = DeeType_INVOKE_SIZE_NODEFAULT(tp_self, self);
+	if unlikely(size == (size_t)-1)
+		goto err;
+	if (size == 0)
+		return DEE_HASHOF_EMPTY_SEQUENCE;
+	elem = (*tp_self->tp_seq->tp_getitem_index_fast)(self, 0);
+	if unlikely(!elem) {
+		result = DEE_HASHOF_UNBOUND_ITEM;
+	} else {
+		result = DeeObject_Hash(elem);
+		Dee_Decref(elem);
+	}
+	for (i = 1; i < size; ++i) {
+		Dee_hash_t elem_hash;
+		elem = (*tp_self->tp_seq->tp_getitem_index_fast)(self, i);
+		if unlikely(!elem) {
+			elem_hash = DEE_HASHOF_UNBOUND_ITEM;
+		} else {
+			elem_hash = DeeObject_Hash(elem);
+			Dee_Decref(elem);
+		}
+		result = Dee_HashCombine(result, elem_hash);
+	}
+	return result;
+err:
+	return DeeSeq_HandleHashError(self);
+}
+
+
+struct default_seq_hash_with_foreach_data {
+	Dee_hash_t sqhwf_result;   /* Hash result (or DEE_HASHOF_EMPTY_SEQUENCE when sqhwf_nonempty=false) */
+	bool       sqhwf_nonempty; /* True after the first element */
+};
+
+INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL
+default_seq_hash_with_foreach_cb(void *arg, DeeObject *elem);
+
+#ifndef DEFINE_TYPED_OPERATORS
+INTERN WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL
+default_seq_hash_with_foreach_cb(void *arg, DeeObject *elem) {
+	struct default_seq_hash_with_foreach_data *data;
+	Dee_hash_t elem_hash;
+	data = (struct default_seq_hash_with_foreach_data *)arg;
+	elem_hash = DeeObject_Hash(elem);
+	if (data->sqhwf_nonempty) {
+		data->sqhwf_result = Dee_HashCombine(data->sqhwf_result, elem_hash);
+	} else {
+		data->sqhwf_result = elem_hash;
+		data->sqhwf_nonempty = true;
+	}
+	return 0;
+}
+#endif /* !DEFINE_TYPED_OPERATORS */
+
+
+DEFINE_INTERNAL_SEQ_OPERATOR(Dee_hash_t, DefaultHashWithForeach, (DeeObject *self)) {
+	struct default_seq_hash_with_foreach_data data;
+	LOAD_TP_SELF;
+	data.sqhwf_result   = DEE_HASHOF_EMPTY_SEQUENCE;
+	data.sqhwf_nonempty = false;
+	if unlikely(DeeType_INVOKE_FOREACH_NODEFAULT(tp_self, self, &default_seq_hash_with_foreach_cb, &data))
+		goto err;
+	return data.sqhwf_result;
+err:
+	return DeeSeq_HandleHashError(self);
+}
+
+DEFINE_INTERNAL_SEQ_OPERATOR(Dee_hash_t, DefaultHashWithSizeAndTryGetItemIndex, (DeeObject *self)) {
+	Dee_hash_t result;
+	size_t i, size;
+	DREF DeeObject *elem;
+	LOAD_TP_SELF;
+	size = DeeType_INVOKE_SIZE_NODEFAULT(tp_self, self);
+	if unlikely(size == (size_t)-1)
+		goto err;
+	if (size == 0)
+		return DEE_HASHOF_EMPTY_SEQUENCE;
+	elem = DeeType_INVOKE_TRYGETITEMINDEX_NODEFAULT(tp_self, self, 0);
+	if unlikely(!elem)
+		goto err;
+	if unlikely(elem == ITER_DONE) {
+		result = DEE_HASHOF_UNBOUND_ITEM;
+	} else {
+		result = DeeObject_Hash(elem);
+		Dee_Decref(elem);
+	}
+	for (i = 1; i < size; ++i) {
+		Dee_hash_t elem_hash;
+		elem = DeeType_INVOKE_TRYGETITEMINDEX_NODEFAULT(tp_self, self, i);
+		if unlikely(elem)
+			goto err;
+		if unlikely(elem == ITER_DONE) {
+			elem_hash = DEE_HASHOF_UNBOUND_ITEM;
+		} else {
+			elem_hash = DeeObject_Hash(elem);
+			Dee_Decref(elem);
+		}
+		result = Dee_HashCombine(result, elem_hash);
+		if (DeeThread_CheckInterrupt())
+			goto err;
+	}
+	return result;
+err:
+	return DeeSeq_HandleHashError(self);
+}
+
+DEFINE_INTERNAL_SEQ_OPERATOR(Dee_hash_t, DefaultHashWithSizeAndGetItemIndex, (DeeObject *self)) {
+	Dee_hash_t result;
+	size_t i, size;
+	DREF DeeObject *elem;
+	LOAD_TP_SELF;
+	size = DeeType_INVOKE_SIZE_NODEFAULT(tp_self, self);
+	if unlikely(size == (size_t)-1)
+		goto err;
+	if (size == 0)
+		return DEE_HASHOF_EMPTY_SEQUENCE;
+	elem = DeeType_INVOKE_GETITEMINDEX_NODEFAULT(tp_self, self, 0);
+	if unlikely(!elem) {
+		if (!DeeError_Catch(&DeeError_UnboundItem))
+			goto err;
+		result = DEE_HASHOF_UNBOUND_ITEM;
+	} else {
+		result = DeeObject_Hash(elem);
+		Dee_Decref(elem);
+	}
+	for (i = 1; i < size; ++i) {
+		Dee_hash_t elem_hash;
+		elem = DeeType_INVOKE_GETITEMINDEX_NODEFAULT(tp_self, self, i);
+		if unlikely(!elem) {
+			if (!DeeError_Catch(&DeeError_UnboundItem))
+				goto err;
+			elem_hash = DEE_HASHOF_UNBOUND_ITEM;
+		} else {
+			elem_hash = DeeObject_Hash(elem);
+			Dee_Decref(elem);
+		}
+		result = Dee_HashCombine(result, elem_hash);
+		if (DeeThread_CheckInterrupt())
+			goto err;
+	}
+	return result;
+err:
+	return DeeSeq_HandleHashError(self);
+}
+
+DEFINE_INTERNAL_SEQ_OPERATOR(Dee_hash_t, DefaultHashWithSizeObAndGetItem, (DeeObject *self)) {
+	int temp;
+	Dee_hash_t result;
+	DREF DeeObject *indexob, *sizeob;
+	DREF DeeObject *elem;
+	LOAD_TP_SELF;
+	sizeob = DeeType_INVOKE_SIZEOB_NODEFAULT(tp_self, self);
+	if unlikely(!sizeob)
+		goto err;
+	indexob = DeeObject_NewDefault(Dee_TYPE(sizeob));
+	if unlikely(!indexob)
+		goto err_sizeob;
+	temp = DeeObject_CompareLo(indexob, sizeob);
+	if (temp <= 0) {
+		if unlikely(temp < 0)
+			goto err_sizeob_indexob;
+		Dee_Decref(indexob);
+		Dee_Decref(sizeob);
+		return DEE_HASHOF_EMPTY_SEQUENCE;
+	}
+	elem = DeeType_INVOKE_GETITEM_NODEFAULT(tp_self, self, indexob);
+	if unlikely(!elem) {
+		if (!DeeError_Catch(&DeeError_UnboundItem))
+			goto err_sizeob_indexob;
+		result = DEE_HASHOF_UNBOUND_ITEM;
+	} else {
+		result = DeeObject_Hash(elem);
+		Dee_Decref(elem);
+	}
+	for (;;) {
+		Dee_hash_t elem_hash;
+		if (DeeObject_Inc(&indexob))
+			goto err_sizeob_indexob;
+		temp = DeeObject_CompareLo(indexob, sizeob);
+		if (temp <= 0) {
+			if unlikely(temp < 0)
+				goto err_sizeob_indexob;
+			break;
+		}
+		elem = DeeType_INVOKE_GETITEM_NODEFAULT(tp_self, self, indexob);
+		if unlikely(!elem) {
+			if (!DeeError_Catch(&DeeError_UnboundItem))
+				goto err_sizeob_indexob;
+			elem_hash = DEE_HASHOF_UNBOUND_ITEM;
+		} else {
+			elem_hash = DeeObject_Hash(elem);
+			Dee_Decref(elem);
+		}
+		result = Dee_HashCombine(result, elem_hash);
+		if (DeeThread_CheckInterrupt())
+			goto err_sizeob_indexob;
+	}
+	Dee_Decref(indexob);
+	Dee_Decref(sizeob);
+	return result;
+err_sizeob_indexob:
+	Dee_Decref(indexob);
+err_sizeob:
+	Dee_Decref(sizeob);
+err:
+	return DeeSeq_HandleHashError(self);
+}
+
+DEFINE_INTERNAL_SEQ_OPERATOR(Dee_hash_t, DefaultHashWithForeachDefault, (DeeObject *self)) {
+	struct default_seq_hash_with_foreach_data data;
+	LOAD_TP_SELF;
+	data.sqhwf_result   = DEE_HASHOF_EMPTY_SEQUENCE;
+	data.sqhwf_nonempty = false;
+	if unlikely(DeeType_INVOKE_FOREACH(tp_self, self, &default_seq_hash_with_foreach_cb, &data))
+		goto err;
+	return data.sqhwf_result;
+err:
+	return DeeSeq_HandleHashError(self);
+}
+
+INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL
+default_set_hash_with_foreach_cb(void *arg, DeeObject *elem);
+
+#ifndef DEFINE_TYPED_OPERATORS
+INTERN WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL
+default_set_hash_with_foreach_cb(void *arg, DeeObject *elem) {
+	*(Dee_hash_t *)arg ^= DeeObject_Hash(elem);
+	return 0;
+}
+#endif /* !DEFINE_TYPED_OPERATORS */
+
+DEFINE_INTERNAL_SET_OPERATOR(Dee_hash_t, DefaultHashWithForeachDefault, (DeeObject *self)) {
+	Dee_hash_t result = DEE_HASHOF_EMPTY_SEQUENCE;
+	LOAD_TP_SELF;
+	if unlikely(DeeType_INVOKE_FOREACH(tp_self, self, &default_set_hash_with_foreach_cb, &result))
+		goto err;
+	return result;
+err:
+	return DeeSet_HandleHashError(self);
+}
+
+INTDEF WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL
+default_map_hash_with_foreach_cb(void *arg, DeeObject *key, DeeObject *value);
+
+#ifndef DEFINE_TYPED_OPERATORS
+INTERN WUNUSED NONNULL((1, 2)) Dee_ssize_t DCALL
+default_map_hash_with_foreach_cb(void *arg, DeeObject *key, DeeObject *value) {
+	/* Note that we still combine the hashes for the key and value,
+	 * thus not only mirroring the behavior of hash of the item (that
+	 * is the tuple `(key, value)', including the order between the
+	 * key and value within the hash, so that swapping the key and
+	 * value would produce a different hash) */
+	*(Dee_hash_t *)arg ^= Dee_HashCombine(DeeObject_Hash(key),
+	                                      DeeObject_Hash(value));
+	return 0;
+}
+#endif /* !DEFINE_TYPED_OPERATORS */
+
+DEFINE_INTERNAL_MAP_OPERATOR(Dee_hash_t, DefaultHashWithForeachPairDefault, (DeeObject *self)) {
+	Dee_hash_t result = DEE_HASHOF_EMPTY_SEQUENCE;
+	LOAD_TP_SELF;
+	if unlikely(DeeType_INVOKE_FOREACH_PAIR(tp_self, self, &default_map_hash_with_foreach_cb, &result))
+		goto err;
+	return result;
+err:
+	return DeeMap_HandleHashError(self);
+}
+
+
+/* tp_eq */
+DEFINE_INTERNAL_OPERATOR(DREF DeeObject *, DefaultEqWithCompareEq,
+                         (DeeObject *self, DeeObject *other)) {
+	int result;
+	LOAD_TP_SELF;
+	result = DeeType_INVOKE_COMPARE_EQ_NODEFAULT(tp_self, self, other);
+	if unlikely(result == Dee_COMPARE_ERR)
+		goto err;
+	return_bool_(result == 0);
+err:
+	return NULL;
+}
+
 DEFINE_INTERNAL_OPERATOR(DREF DeeObject *, DefaultEqWithNe,
                          (DeeObject *self, DeeObject *other)) {
 	LOAD_TP_SELF;
 	return xinvoke_not(DeeType_INVOKE_NE_NODEFAULT(tp_self, self, other));
 }
 
+DEFINE_INTERNAL_OPERATOR(DREF DeeObject *, DefaultEqWithLoAndGr,
+                         (DeeObject *self, DeeObject *other)) {
+	int temp;
+	DREF DeeObject *cmp_ob;
+	LOAD_TP_SELF;
+	cmp_ob = DeeType_INVOKE_LO_NODEFAULT(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (temp)
+		goto not_equal;
+	cmp_ob = DeeType_INVOKE_GR_NODEFAULT(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (temp)
+		goto not_equal;
+	return_true;
+not_equal:
+	return_false;
+err:
+	return NULL;
+}
+
+DEFINE_INTERNAL_OPERATOR(DREF DeeObject *, DefaultEqWithLeAndGe,
+                         (DeeObject *self, DeeObject *other)) {
+	int temp;
+	DREF DeeObject *cmp_ob;
+	LOAD_TP_SELF;
+	cmp_ob = DeeType_INVOKE_LE_NODEFAULT(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (!temp)
+		goto not_equal;
+	cmp_ob = DeeType_INVOKE_GE_NODEFAULT(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (!temp)
+		goto not_equal;
+	return_true;
+not_equal:
+	return_false;
+err:
+	return NULL;
+}
+
+DEFINE_INTERNAL_OPERATOR(DREF DeeObject *, DefaultEqWithCompareEqDefault,
+                         (DeeObject *self, DeeObject *other)) {
+	int result;
+	LOAD_TP_SELF;
+	result = DeeType_INVOKE_COMPARE_EQ(tp_self, self, other);
+	if unlikely(result == Dee_COMPARE_ERR)
+		goto err;
+	return_bool_(result == 0);
+err:
+	return NULL;
+}
+
+
+/* tp_ne */
+DEFINE_INTERNAL_OPERATOR(DREF DeeObject *, DefaultNeWithCompareEq,
+                         (DeeObject *self, DeeObject *other)) {
+	int result;
+	LOAD_TP_SELF;
+	result = DeeType_INVOKE_COMPARE_EQ_NODEFAULT(tp_self, self, other);
+	if unlikely(result == Dee_COMPARE_ERR)
+		goto err;
+	return_bool_(result != 0);
+err:
+	return NULL;
+}
+
 DEFINE_INTERNAL_OPERATOR(DREF DeeObject *, DefaultNeWithEq,
                          (DeeObject *self, DeeObject *other)) {
 	LOAD_TP_SELF;
 	return xinvoke_not(DeeType_INVOKE_NE_NODEFAULT(tp_self, self, other));
 }
 
-DEFINE_INTERNAL_OPERATOR(DREF DeeObject *, DefaultLoWithGe,
+DEFINE_INTERNAL_OPERATOR(DREF DeeObject *, DefaultNeWithLoAndGr,
                          (DeeObject *self, DeeObject *other)) {
+	int temp;
+	DREF DeeObject *cmp_ob;
 	LOAD_TP_SELF;
-	return xinvoke_not(DeeType_INVOKE_GE_NODEFAULT(tp_self, self, other));
+	cmp_ob = DeeType_INVOKE_LO_NODEFAULT(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (temp)
+		goto not_equal;
+	cmp_ob = DeeType_INVOKE_GR_NODEFAULT(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (temp)
+		goto not_equal;
+	return_false;
+not_equal:
+	return_true;
+err:
+	return NULL;
 }
 
-DEFINE_INTERNAL_OPERATOR(DREF DeeObject *, DefaultLeWithGr,
+DEFINE_INTERNAL_OPERATOR(DREF DeeObject *, DefaultNeWithLeAndGe,
                          (DeeObject *self, DeeObject *other)) {
+	int temp;
+	DREF DeeObject *cmp_ob;
 	LOAD_TP_SELF;
-	return xinvoke_not(DeeType_INVOKE_GR_NODEFAULT(tp_self, self, other));
+	cmp_ob = DeeType_INVOKE_LE_NODEFAULT(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (!temp)
+		goto not_equal;
+	cmp_ob = DeeType_INVOKE_GE_NODEFAULT(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (!temp)
+		goto not_equal;
+	return_false;
+not_equal:
+	return_true;
+err:
+	return NULL;
 }
 
-DEFINE_INTERNAL_OPERATOR(DREF DeeObject *, DefaultGrWithLe,
+DEFINE_INTERNAL_OPERATOR(DREF DeeObject *, DefaultNeWithCompareEqDefault,
                          (DeeObject *self, DeeObject *other)) {
+	int result;
 	LOAD_TP_SELF;
-	return xinvoke_not(DeeType_INVOKE_LE_NODEFAULT(tp_self, self, other));
+	result = DeeType_INVOKE_COMPARE_EQ(tp_self, self, other);
+	if unlikely(result == Dee_COMPARE_ERR)
+		goto err;
+	return_bool_(result != 0);
+err:
+	return NULL;
 }
 
-DEFINE_INTERNAL_OPERATOR(DREF DeeObject *, DefaultGeWithLo,
+
+/* tp_lo */
+DEFINE_INTERNAL_OPERATOR(DREF DeeObject *, DefaultLoWithCompare,
                          (DeeObject *self, DeeObject *other)) {
+	int result;
 	LOAD_TP_SELF;
-	return xinvoke_not(DeeType_INVOKE_LO_NODEFAULT(tp_self, self, other));
+	result = DeeType_INVOKE_COMPARE_NODEFAULT(tp_self, self, other);
+	if unlikely(result == Dee_COMPARE_ERR)
+		goto err;
+	return_bool_(result < 0);
+err:
+	return NULL;
+}
+
+DEFINE_INTERNAL_OPERATOR(DREF DeeObject *, DefaultLoWithGe,
+                         (DeeObject *self, DeeObject *other)) {
+	LOAD_TP_SELF;
+	return xinvoke_not(DeeType_INVOKE_GE_NODEFAULT(tp_self, self, other));
+}
+
+DEFINE_INTERNAL_OPERATOR(DREF DeeObject *, DefaultLoWithCompareDefault,
+                         (DeeObject *self, DeeObject *other)) {
+	int result;
+	LOAD_TP_SELF;
+	result = DeeType_INVOKE_COMPARE(tp_self, self, other);
+	if unlikely(result == Dee_COMPARE_ERR)
+		goto err;
+	return_bool_(result < 0);
+err:
+	return NULL;
+}
+
+DEFINE_INTERNAL_SET_OPERATOR(DREF DeeObject *, DefaultLoWithForeachDefault,
+                             (DeeObject *self, DeeObject *other)) {
+	size_t rhs_size;
+	Dee_ssize_t contains_status;
+	DeeTypeObject *tp_other = Dee_TYPE(other);
+	struct set_compare__lhs_foreach__rhs__data data;
+	LOAD_TP_SELF;
+	if ((!tp_other->tp_seq || !tp_other->tp_seq->tp_contains) && !DeeType_InheritContains(tp_other))
+		goto err_other_no_contains;
+	data.sc_lfr_rhs       = other;
+	data.sc_lfr_rcontains = tp_other->tp_seq->tp_contains;
+	contains_status = DeeType_INVOKE_FOREACH(tp_self, self, &set_compare__lhs_foreach__rhs__cb, &data);
+	if unlikely(contains_status == -1)
+		goto err;
+	if (contains_status == -2)
+		goto missing_item; /* "other" is missing some element of "self" */
+	rhs_size = DeeObject_Size(other);
+	if unlikely(rhs_size == (size_t)-1)
+		goto err;
+	if ((size_t)contains_status >= rhs_size)
+		goto missing_item; /* "other" contains element not found in "self" */
+	return_true;
+missing_item:
+	return_false;
+err_other_no_contains:
+	err_unimplemented_operator(tp_other, OPERATOR_CONTAINS);
+err:
+	return NULL;
+}
+
+DEFINE_INTERNAL_MAP_OPERATOR(DREF DeeObject *, DefaultLoWithForeachPairDefault,
+                             (DeeObject *self, DeeObject *other)) {
+	size_t rhs_size;
+	Dee_ssize_t contains_status;
+	DeeTypeObject *tp_other = Dee_TYPE(other);
+	struct map_compare__lhs_foreach__rhs__data data;
+	LOAD_TP_SELF;
+	if ((!tp_other->tp_seq || !tp_other->tp_seq->tp_trygetitem) && !DeeType_InheritGetItem(tp_other))
+		goto err_other_no_getitem;
+	data.mc_lfr_rhs         = other;
+	data.mc_lfr_rtrygetitem = tp_other->tp_seq->tp_trygetitem;
+	contains_status = DeeType_INVOKE_FOREACH_PAIR(tp_self, self, &map_compare__lhs_foreach__rhs__cb, &data);
+	if unlikely(contains_status == -1)
+		goto err;
+	if (contains_status == -2)
+		goto missing_item; /* "other" is missing some element of "self", or has a different value for it */
+	rhs_size = DeeObject_Size(other);
+	if unlikely(rhs_size == (size_t)-1)
+		goto err;
+	if ((size_t)contains_status >= rhs_size)
+		goto missing_item; /* "other" contains element not found in "self" */
+	return_true;
+missing_item:
+	return_false;
+err_other_no_getitem:
+	err_unimplemented_operator(tp_other, OPERATOR_GETITEM);
+err:
+	return NULL;
+}
+
+
+
+
+/* tp_le */
+DEFINE_INTERNAL_OPERATOR(DREF DeeObject *, DefaultLeWithCompare,
+                         (DeeObject *self, DeeObject *other)) {
+	int result;
+	LOAD_TP_SELF;
+	result = DeeType_INVOKE_COMPARE_NODEFAULT(tp_self, self, other);
+	if unlikely(result == Dee_COMPARE_ERR)
+		goto err;
+	return_bool_(result <= 0);
+err:
+	return NULL;
+}
+
+DEFINE_INTERNAL_OPERATOR(DREF DeeObject *, DefaultLeWithGr,
+                         (DeeObject *self, DeeObject *other)) {
+	LOAD_TP_SELF;
+	return xinvoke_not(DeeType_INVOKE_GR_NODEFAULT(tp_self, self, other));
+}
+
+DEFINE_INTERNAL_OPERATOR(DREF DeeObject *, DefaultLeWithCompareDefault,
+                         (DeeObject *self, DeeObject *other)) {
+	int result;
+	LOAD_TP_SELF;
+	result = DeeType_INVOKE_COMPARE(tp_self, self, other);
+	if unlikely(result == Dee_COMPARE_ERR)
+		goto err;
+	return_bool_(result <= 0);
+err:
+	return NULL;
+}
+
+DEFINE_INTERNAL_SET_OPERATOR(DREF DeeObject *, DefaultLeWithForeachDefault,
+                             (DeeObject *self, DeeObject *other)) {
+	Dee_ssize_t contains_status;
+	DeeTypeObject *tp_other = Dee_TYPE(other);
+	struct set_compare__lhs_foreach__rhs__data data;
+	LOAD_TP_SELF;
+	if ((!tp_other->tp_seq || !tp_other->tp_seq->tp_contains) && !DeeType_InheritContains(tp_other))
+		goto err_other_no_contains;
+	data.sc_lfr_rhs       = other;
+	data.sc_lfr_rcontains = tp_other->tp_seq->tp_contains;
+	contains_status = DeeType_INVOKE_FOREACH(tp_self, self, &set_compare__lhs_foreach__rhs__cb, &data);
+	if unlikely(contains_status == -1)
+		goto err;
+	if (contains_status == -2)
+		goto missing_item; /* "other" is missing some element of "self" */
+	return_true;
+missing_item:
+	return_false;
+err_other_no_contains:
+	err_unimplemented_operator(tp_other, OPERATOR_CONTAINS);
+err:
+	return NULL;
+}
+
+DEFINE_INTERNAL_MAP_OPERATOR(DREF DeeObject *, DefaultLeWithForeachPairDefault,
+                             (DeeObject *self, DeeObject *other)) {
+	Dee_ssize_t contains_status;
+	DeeTypeObject *tp_other = Dee_TYPE(other);
+	struct map_compare__lhs_foreach__rhs__data data;
+	LOAD_TP_SELF;
+	if ((!tp_other->tp_seq || !tp_other->tp_seq->tp_trygetitem) && !DeeType_InheritGetItem(tp_other))
+		goto err_other_no_getitem;
+	data.mc_lfr_rhs         = other;
+	data.mc_lfr_rtrygetitem = tp_other->tp_seq->tp_trygetitem;
+	contains_status = DeeType_INVOKE_FOREACH_PAIR(tp_self, self, &map_compare__lhs_foreach__rhs__cb, &data);
+	if unlikely(contains_status == -1)
+		goto err;
+	if (contains_status == -2)
+		goto missing_item; /* "other" is missing some element of "self", or has a different value for it */
+	return_true;
+missing_item:
+	return_false;
+err_other_no_getitem:
+	err_unimplemented_operator(tp_other, OPERATOR_GETITEM);
+err:
+	return NULL;
+}
+
+
+
+/* tp_gr */
+DEFINE_INTERNAL_OPERATOR(DREF DeeObject *, DefaultGrWithCompare,
+                         (DeeObject *self, DeeObject *other)) {
+	int result;
+	LOAD_TP_SELF;
+	result = DeeType_INVOKE_COMPARE_NODEFAULT(tp_self, self, other);
+	if unlikely(result == Dee_COMPARE_ERR)
+		goto err;
+	return_bool_(result > 0);
+err:
+	return NULL;
+}
+
+DEFINE_INTERNAL_OPERATOR(DREF DeeObject *, DefaultGrWithLe,
+                         (DeeObject *self, DeeObject *other)) {
+	LOAD_TP_SELF;
+	return xinvoke_not(DeeType_INVOKE_LE_NODEFAULT(tp_self, self, other));
+}
+
+DEFINE_INTERNAL_OPERATOR(DREF DeeObject *, DefaultGrWithCompareDefault,
+                         (DeeObject *self, DeeObject *other)) {
+	int result;
+	LOAD_TP_SELF;
+	result = DeeType_INVOKE_COMPARE(tp_self, self, other);
+	if unlikely(result == Dee_COMPARE_ERR)
+		goto err;
+	return_bool_(result > 0);
+err:
+	return NULL;
+}
+
+DEFINE_INTERNAL_SET_OPERATOR(DREF DeeObject *, DefaultGrWithForeachDefault,
+                             (DeeObject *self, DeeObject *other)) {
+	Dee_ssize_t contains_status;
+	DeeTypeObject *tp_other = Dee_TYPE(other);
+	struct set_compare__lhs_foreach__rhs__data data;
+	LOAD_TP_SELF;
+	if ((!tp_other->tp_seq || !tp_other->tp_seq->tp_contains) && !DeeType_InheritContains(tp_other))
+		goto err_other_no_contains;
+	data.sc_lfr_rhs       = other;
+	data.sc_lfr_rcontains = tp_other->tp_seq->tp_contains;
+	contains_status = DeeType_INVOKE_FOREACH(tp_self, self, &set_compare__lhs_foreach__rhs__cb, &data);
+	if unlikely(contains_status == -1)
+		goto err;
+	if (contains_status == -2)
+		goto missing_item; /* "other" is missing some element of "self" */
+	return_false;
+missing_item:
+	return_true;
+err_other_no_contains:
+	err_unimplemented_operator(tp_other, OPERATOR_CONTAINS);
+err:
+	return NULL;
+}
+
+DEFINE_INTERNAL_MAP_OPERATOR(DREF DeeObject *, DefaultGrWithForeachPairDefault,
+                             (DeeObject *self, DeeObject *other)) {
+	Dee_ssize_t contains_status;
+	DeeTypeObject *tp_other = Dee_TYPE(other);
+	struct map_compare__lhs_foreach__rhs__data data;
+	LOAD_TP_SELF;
+	if ((!tp_other->tp_seq || !tp_other->tp_seq->tp_trygetitem) && !DeeType_InheritGetItem(tp_other))
+		goto err_other_no_getitem;
+	data.mc_lfr_rhs         = other;
+	data.mc_lfr_rtrygetitem = tp_other->tp_seq->tp_trygetitem;
+	contains_status = DeeType_INVOKE_FOREACH_PAIR(tp_self, self, &map_compare__lhs_foreach__rhs__cb, &data);
+	if unlikely(contains_status == -1)
+		goto err;
+	if (contains_status == -2)
+		goto missing_item; /* "other" is missing some element of "self", or has a different value for it */
+	return_false;
+missing_item:
+	return_true;
+err_other_no_getitem:
+	err_unimplemented_operator(tp_other, OPERATOR_GETITEM);
+err:
+	return NULL;
+}
+
+
+
+/* tp_ge */
+DEFINE_INTERNAL_OPERATOR(DREF DeeObject *, DefaultGeWithCompare,
+                         (DeeObject *self, DeeObject *other)) {
+	int result;
+	LOAD_TP_SELF;
+	result = DeeType_INVOKE_COMPARE_NODEFAULT(tp_self, self, other);
+	if unlikely(result == Dee_COMPARE_ERR)
+		goto err;
+	return_bool_(result >= 0);
+err:
+	return NULL;
+}
+
+DEFINE_INTERNAL_OPERATOR(DREF DeeObject *, DefaultGeWithLo,
+                         (DeeObject *self, DeeObject *other)) {
+	LOAD_TP_SELF;
+	return xinvoke_not(DeeType_INVOKE_LO_NODEFAULT(tp_self, self, other));
+}
+
+DEFINE_INTERNAL_OPERATOR(DREF DeeObject *, DefaultGeWithCompareDefault,
+                         (DeeObject *self, DeeObject *other)) {
+	int result;
+	LOAD_TP_SELF;
+	result = DeeType_INVOKE_COMPARE(tp_self, self, other);
+	if unlikely(result == Dee_COMPARE_ERR)
+		goto err;
+	return_bool_(result >= 0);
+err:
+	return NULL;
+}
+
+DEFINE_INTERNAL_SET_OPERATOR(DREF DeeObject *, DefaultGeWithForeachDefault,
+                             (DeeObject *self, DeeObject *other)) {
+	size_t rhs_size;
+	Dee_ssize_t contains_status;
+	DeeTypeObject *tp_other = Dee_TYPE(other);
+	struct set_compare__lhs_foreach__rhs__data data;
+	LOAD_TP_SELF;
+	if ((!tp_other->tp_seq || !tp_other->tp_seq->tp_contains) && !DeeType_InheritContains(tp_other))
+		goto err_other_no_contains;
+	data.sc_lfr_rhs       = other;
+	data.sc_lfr_rcontains = tp_other->tp_seq->tp_contains;
+	contains_status = DeeType_INVOKE_FOREACH(tp_self, self, &set_compare__lhs_foreach__rhs__cb, &data);
+	if unlikely(contains_status == -1)
+		goto err;
+	if (contains_status == -2)
+		goto missing_item; /* "other" is missing some element of "self" */
+	rhs_size = DeeObject_Size(other);
+	if unlikely(rhs_size == (size_t)-1)
+		goto err;
+	if ((size_t)contains_status >= rhs_size)
+		goto missing_item; /* "other" contains element not found in "self" */
+	return_false;
+missing_item:
+	return_true;
+err_other_no_contains:
+	err_unimplemented_operator(tp_other, OPERATOR_CONTAINS);
+err:
+	return NULL;
+}
+
+DEFINE_INTERNAL_MAP_OPERATOR(DREF DeeObject *, DefaultGeWithForeachPairDefault,
+                             (DeeObject *self, DeeObject *other)) {
+	size_t rhs_size;
+	Dee_ssize_t contains_status;
+	DeeTypeObject *tp_other = Dee_TYPE(other);
+	struct map_compare__lhs_foreach__rhs__data data;
+	LOAD_TP_SELF;
+	if ((!tp_other->tp_seq || !tp_other->tp_seq->tp_trygetitem) && !DeeType_InheritGetItem(tp_other))
+		goto err_other_no_getitem;
+	data.mc_lfr_rhs         = other;
+	data.mc_lfr_rtrygetitem = tp_other->tp_seq->tp_trygetitem;
+	contains_status = DeeType_INVOKE_FOREACH_PAIR(tp_self, self, &map_compare__lhs_foreach__rhs__cb, &data);
+	if unlikely(contains_status == -1)
+		goto err;
+	if (contains_status == -2)
+		goto missing_item; /* "other" is missing some element of "self", or has a different value for it */
+	rhs_size = DeeObject_Size(other);
+	if unlikely(rhs_size == (size_t)-1)
+		goto err;
+	if ((size_t)contains_status >= rhs_size)
+		goto missing_item; /* "other" contains element not found in "self" */
+	return_false;
+missing_item:
+	return_true;
+err_other_no_getitem:
+	err_unimplemented_operator(tp_other, OPERATOR_GETITEM);
+err:
+	return NULL;
+}
+
+
+
+/* tp_compare_eq */
+DEFINE_INTERNAL_OPERATOR(int, DefaultCompareEqWithEq,
+                         (DeeObject *self, DeeObject *other)) {
+	int result;
+	DREF DeeObject *cmp_ob;
+	LOAD_TP_SELF;
+	cmp_ob = DeeType_INVOKE_EQ_NODEFAULT(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	result = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(result < 0)
+		goto err;
+	return result ? 0 : 1;
+err:
+	return Dee_COMPARE_ERR;
+}
+
+DEFINE_INTERNAL_OPERATOR(int, DefaultCompareEqWithNe,
+                         (DeeObject *self, DeeObject *other)) {
+	int result;
+	DREF DeeObject *cmp_ob;
+	LOAD_TP_SELF;
+	cmp_ob = DeeType_INVOKE_NE_NODEFAULT(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	result = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(result < 0)
+		goto err;
+	return result;
+err:
+	return Dee_COMPARE_ERR;
+}
+
+DEFINE_INTERNAL_OPERATOR(int, DefaultCompareEqWithLoAndGr,
+                         (DeeObject *self, DeeObject *other)) {
+	int temp;
+	DREF DeeObject *cmp_ob;
+	LOAD_TP_SELF;
+	cmp_ob = DeeType_INVOKE_LO_NODEFAULT(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (temp)
+		return -1; /* Different */
+	cmp_ob = DeeType_INVOKE_GR_NODEFAULT(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (temp)
+		return 1; /* Different */
+	return 0;
+err:
+	return Dee_COMPARE_ERR;
+}
+
+DEFINE_INTERNAL_OPERATOR(int, DefaultCompareEqWithLeAndGe,
+                         (DeeObject *self, DeeObject *other)) {
+	int temp;
+	DREF DeeObject *cmp_ob;
+	LOAD_TP_SELF;
+	cmp_ob = DeeType_INVOKE_LE_NODEFAULT(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (!temp)
+		return 1; /* Different */
+	cmp_ob = DeeType_INVOKE_GR_NODEFAULT(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (!temp)
+		return -1; /* Different */
+	return 0;
+err:
+	return Dee_COMPARE_ERR;
+}
+
+DEFINE_INTERNAL_SEQ_OPERATOR(int, DefaultCompareEqWithForeachDefault,
+                             (DeeObject *self, DeeObject *other)) {
+	DeeTypeObject *tp_other = Dee_TYPE(other);
+	Dee_ssize_t (DCALL *other_tp_foreach)(DeeObject *__restrict self, Dee_foreach_t proc, void *arg);
+	Dee_ssize_t result;
+	LOAD_TP_SELF;
+	if ((!tp_other->tp_seq || !tp_other->tp_seq->tp_foreach) && !DeeType_InheritIter(tp_other))
+		goto err_other_no_iter;
+	other_tp_foreach = tp_other->tp_seq->tp_foreach;
+	ASSERT(other_tp_foreach);
+	if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndGetItemIndexFast) {
+		struct seq_compareforeach__size_and_getitem_index__data data;
+		data.scf_sgi_osize = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(data.scf_sgi_osize == (size_t)-1)
+			goto err;
+		data.scf_sgi_other          = other;
+		data.scf_sgi_oindex         = 0;
+		data.scf_sgi_ogetitem_index = tp_other->tp_seq->tp_getitem_index_fast;
+		result = DeeType_INVOKE_FOREACH(tp_self, self, &seq_compareeq__lhs_foreach__rhs_size_and_getitem_index_fast__cb, &data);
+		if (result == SEQ_COMPAREEQ_FOREACH_RESULT_EQUAL && data.scf_sgi_oindex < data.scf_sgi_osize)
+			result = SEQ_COMPAREEQ_FOREACH_RESULT_NOTEQUAL;
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndTryGetItemIndex) {
+		struct seq_compareforeach__size_and_getitem_index__data data;
+		data.scf_sgi_osize = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(data.scf_sgi_osize == (size_t)-1)
+			goto err;
+		data.scf_sgi_other          = other;
+		data.scf_sgi_oindex         = 0;
+		data.scf_sgi_ogetitem_index = tp_other->tp_seq->tp_trygetitem_index;
+		result = DeeType_INVOKE_FOREACH(tp_self, self, &seq_compareeq__lhs_foreach__rhs_size_and_trygetitem_index__cb, &data);
+		if (result == SEQ_COMPAREEQ_FOREACH_RESULT_EQUAL && data.scf_sgi_oindex < data.scf_sgi_osize)
+			result = SEQ_COMPAREEQ_FOREACH_RESULT_NOTEQUAL;
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndGetItemIndex ||
+	           other_tp_foreach == &DeeSeq_DefaultForeachWithSizeDefaultAndGetItemIndexDefault) {
+		struct seq_compareforeach__size_and_getitem_index__data data;
+		data.scf_sgi_osize = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(data.scf_sgi_osize == (size_t)-1)
+			goto err;
+		data.scf_sgi_other          = other;
+		data.scf_sgi_oindex         = 0;
+		data.scf_sgi_ogetitem_index = tp_other->tp_seq->tp_getitem_index;
+		result = DeeType_INVOKE_FOREACH(tp_self, self, &seq_compareeq__lhs_foreach__rhs_size_and_getitem_index__cb, &data);
+		if (result == SEQ_COMPAREEQ_FOREACH_RESULT_EQUAL && data.scf_sgi_oindex < data.scf_sgi_osize)
+			result = SEQ_COMPAREEQ_FOREACH_RESULT_NOTEQUAL;
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeObAndGetItem) {
+		struct seq_compare_foreach__sizeob_and_getitem__data data;
+		data.scf_sg_osize = (*tp_other->tp_seq->tp_sizeob)(other);
+		if unlikely(!data.scf_sg_osize)
+			goto err;
+		data.scf_sg_oindex = DeeObject_NewDefault(Dee_TYPE(data.scf_sg_osize));
+		if unlikely(!data.scf_sg_oindex) {
+			result = SEQ_COMPAREEQ_FOREACH_RESULT_ERROR;
+		} else {
+			data.scf_sg_other    = other;
+			data.scf_sg_ogetitem = tp_other->tp_seq->tp_getitem;
+			result = DeeType_INVOKE_FOREACH(tp_self, self, &seq_compareeq__lhs_foreach__rhs_sizeob_and_getitem__cb, &data);
+			if (result == SEQ_COMPAREEQ_FOREACH_RESULT_EQUAL) {
+				int temp = DeeObject_CompareLo(data.scf_sg_oindex, data.scf_sg_osize);
+				Dee_Decref(data.scf_sg_oindex);
+				if unlikely(temp < 0) {
+					result = SEQ_COMPAREEQ_FOREACH_RESULT_ERROR;
+				} else if (temp) {
+					result = SEQ_COMPAREEQ_FOREACH_RESULT_NOTEQUAL;
+				}
+			} else {
+				Dee_Decref(data.scf_sg_oindex);
+			}
+		}
+		Dee_Decref(data.scf_sg_osize);
+	} else {
+		DREF DeeObject *rhs_iter;
+		rhs_iter = (*tp_other->tp_seq->tp_iter)(other);
+		if unlikely(!rhs_iter)
+			goto err;
+		result = DeeType_INVOKE_FOREACH(tp_self, self, &seq_compareeq__lhs_foreach__rhs_iter__cb, rhs_iter);
+		if (result == SEQ_COMPAREEQ_FOREACH_RESULT_EQUAL) {
+			DREF DeeObject *next = DeeObject_IterNext(rhs_iter);
+			Dee_Decref(rhs_iter);
+			if unlikely(!next)
+				goto err;
+			if (next != ITER_DONE) {
+				Dee_Decref(next);
+				result = SEQ_COMPAREEQ_FOREACH_RESULT_NOTEQUAL;
+			}
+		} else {
+			Dee_Decref(rhs_iter);
+		}
+	}
+	ASSERT(result == SEQ_COMPAREEQ_FOREACH_RESULT_EQUAL ||
+	       result == SEQ_COMPAREEQ_FOREACH_RESULT_ERROR ||
+	       result == SEQ_COMPAREEQ_FOREACH_RESULT_NOTEQUAL);
+	if unlikely(result == SEQ_COMPAREEQ_FOREACH_RESULT_ERROR)
+		goto err;
+	if (result == SEQ_COMPAREEQ_FOREACH_RESULT_EQUAL)
+		return 0;
+	return 1;
+err_other_no_iter:
+	err_unimplemented_operator(tp_other, OPERATOR_ITER);
+err:
+	return Dee_COMPARE_ERR;
+}
+
+DEFINE_INTERNAL_SEQ_OPERATOR(int, DefaultCompareEqWithSizeAndGetItemIndexFast,
+                             (DeeObject *self, DeeObject *other)) {
+	int result;
+	size_t lhs_size;
+	DeeTypeObject *tp_other = Dee_TYPE(other);
+	DREF DeeObject *(DCALL *lhs_getitem_index_fast)(DeeObject *self, size_t index);
+	Dee_ssize_t (DCALL *other_tp_foreach)(DeeObject *__restrict self, Dee_foreach_t proc, void *arg);
+	LOAD_TP_SELF;
+	if ((!tp_other->tp_seq || !tp_other->tp_seq->tp_foreach) && !DeeType_InheritIter(tp_other))
+		goto err_other_no_iter;
+	other_tp_foreach = tp_other->tp_seq->tp_foreach;
+	ASSERT(other_tp_foreach);
+	lhs_getitem_index_fast = tp_self->tp_seq->tp_getitem_index_fast;
+	lhs_size = DeeType_INVOKE_SIZE_NODEFAULT(tp_self, self);
+	if unlikely(lhs_size == (size_t)-1)
+		goto err;
+	if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndGetItemIndexFast) {
+		size_t rhs_size = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(rhs_size == (size_t)-1)
+			goto err;
+		result = seq_docompareeq__lhs_size_and_getitem_index_fast__rhs_size_and_getitem_index_fast(self, lhs_size, lhs_getitem_index_fast,
+		                                                                                           other, rhs_size, tp_other->tp_seq->tp_getitem_index_fast);
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndTryGetItemIndex) {
+		size_t rhs_size = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(rhs_size == (size_t)-1)
+			goto err;
+		result = seq_docompareeq__lhs_size_and_getitem_index_fast__rhs_size_and_trygetitem_index(self, lhs_size, lhs_getitem_index_fast,
+		                                                                                         other, rhs_size, tp_other->tp_seq->tp_trygetitem_index);
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndGetItemIndex ||
+	           other_tp_foreach == &DeeSeq_DefaultForeachWithSizeDefaultAndGetItemIndexDefault) {
+		size_t rhs_size = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(rhs_size == (size_t)-1)
+			goto err;
+		result = seq_docompareeq__lhs_size_and_getitem_index_fast__rhs_size_and_getitem_index(self, lhs_size, lhs_getitem_index_fast,
+		                                                                                      other, rhs_size, tp_other->tp_seq->tp_getitem_index);
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeObAndGetItem) {
+		DREF DeeObject *rhs_sizeob = (*tp_other->tp_seq->tp_sizeob)(other);
+		if unlikely(!rhs_sizeob)
+			goto err;
+		result = seq_docompareeq__lhs_size_and_getitem_index_fast__rhs_sizeob_and_getitem(self, lhs_size, lhs_getitem_index_fast,
+		                                                                                  other, rhs_sizeob, tp_other->tp_seq->tp_getitem);
+		Dee_Decref(rhs_sizeob);
+	} else {
+		struct seq_compareforeach__size_and_getitem_index__data data;
+		Dee_ssize_t foreach_result;
+		data.scf_sgi_other          = self;
+		data.scf_sgi_osize          = lhs_size;
+		data.scf_sgi_oindex         = 0;
+		data.scf_sgi_ogetitem_index = lhs_getitem_index_fast;
+		foreach_result = (*other_tp_foreach)(other, &seq_compareeq__lhs_size_and_getitem_index_fast__rhs_foreach__cb, &data);
+		ASSERT(foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_EQUAL ||
+		       foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_ERROR ||
+		       foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_NOTEQUAL);
+		if unlikely(foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_ERROR)
+			goto err;
+		if (foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_EQUAL &&
+		    data.scf_sgi_oindex >= data.scf_sgi_osize) {
+			result = 0;
+		} else {
+			result = 1;
+		}
+	}
+	return result;
+err_other_no_iter:
+	err_unimplemented_operator(tp_other, OPERATOR_ITER);
+err:
+	return Dee_COMPARE_ERR;
+}
+
+DEFINE_INTERNAL_SEQ_OPERATOR(int, DefaultCompareEqWithSizeAndTryGetItemIndex,
+                             (DeeObject *self, DeeObject *other)) {
+	int result;
+	size_t lhs_size;
+	DeeTypeObject *tp_other = Dee_TYPE(other);
+	DREF DeeObject *(DCALL *lhs_trygetitem_index)(DeeObject *self, size_t index);
+	Dee_ssize_t (DCALL *other_tp_foreach)(DeeObject *__restrict self, Dee_foreach_t proc, void *arg);
+	LOAD_TP_SELF;
+	if ((!tp_other->tp_seq || !tp_other->tp_seq->tp_foreach) && !DeeType_InheritIter(tp_other))
+		goto err_other_no_iter;
+	other_tp_foreach = tp_other->tp_seq->tp_foreach;
+	ASSERT(other_tp_foreach);
+	lhs_trygetitem_index = tp_self->tp_seq->tp_trygetitem_index;
+	lhs_size = DeeType_INVOKE_SIZE_NODEFAULT(tp_self, self);
+	if unlikely(lhs_size == (size_t)-1)
+		goto err;
+	if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndGetItemIndexFast) {
+		size_t rhs_size = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(rhs_size == (size_t)-1)
+			goto err;
+		result = seq_docompareeq__lhs_size_and_trygetitem_index__rhs_size_and_getitem_index_fast(self, lhs_size, lhs_trygetitem_index,
+		                                                                                         other, rhs_size, tp_other->tp_seq->tp_getitem_index_fast);
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndTryGetItemIndex) {
+		size_t rhs_size = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(rhs_size == (size_t)-1)
+			goto err;
+		result = seq_docompareeq__lhs_size_and_trygetitem_index__rhs_size_and_trygetitem_index(self, lhs_size, lhs_trygetitem_index,
+		                                                                                       other, rhs_size, tp_other->tp_seq->tp_trygetitem_index);
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndGetItemIndex ||
+	           other_tp_foreach == &DeeSeq_DefaultForeachWithSizeDefaultAndGetItemIndexDefault) {
+		size_t rhs_size = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(rhs_size == (size_t)-1)
+			goto err;
+		result = seq_docompareeq__lhs_size_and_trygetitem_index__rhs_size_and_getitem_index(self, lhs_size, lhs_trygetitem_index,
+		                                                                                    other, rhs_size, tp_other->tp_seq->tp_getitem_index);
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeObAndGetItem) {
+		DREF DeeObject *rhs_sizeob = (*tp_other->tp_seq->tp_sizeob)(other);
+		if unlikely(!rhs_sizeob)
+			goto err;
+		result = seq_docompareeq__lhs_size_and_trygetitem_index__rhs_sizeob_and_getitem(self, lhs_size, lhs_trygetitem_index,
+		                                                                                other, rhs_sizeob, tp_other->tp_seq->tp_getitem);
+		Dee_Decref(rhs_sizeob);
+	} else {
+		struct seq_compareforeach__size_and_getitem_index__data data;
+		Dee_ssize_t foreach_result;
+		data.scf_sgi_other          = self;
+		data.scf_sgi_osize          = lhs_size;
+		data.scf_sgi_oindex         = 0;
+		data.scf_sgi_ogetitem_index = lhs_trygetitem_index;
+		foreach_result = (*other_tp_foreach)(other, &seq_compareeq__lhs_size_and_trygetitem_index__rhs_foreach__cb, &data);
+		ASSERT(foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_EQUAL ||
+		       foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_ERROR ||
+		       foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_NOTEQUAL);
+		if unlikely(foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_ERROR)
+			goto err;
+		if (foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_EQUAL &&
+		    data.scf_sgi_oindex >= data.scf_sgi_osize) {
+			result = 0;
+		} else {
+			result = 1;
+		}
+	}
+	return result;
+err_other_no_iter:
+	err_unimplemented_operator(tp_other, OPERATOR_ITER);
+err:
+	return Dee_COMPARE_ERR;
+}
+
+DEFINE_INTERNAL_SEQ_OPERATOR(int, DefaultCompareEqWithSizeAndGetItemIndex,
+                             (DeeObject *self, DeeObject *other)) {
+	int result;
+	size_t lhs_size;
+	DeeTypeObject *tp_other = Dee_TYPE(other);
+	DREF DeeObject *(DCALL *lhs_getitem_index)(DeeObject *self, size_t index);
+	Dee_ssize_t (DCALL *other_tp_foreach)(DeeObject *__restrict self, Dee_foreach_t proc, void *arg);
+	LOAD_TP_SELF;
+	if ((!tp_other->tp_seq || !tp_other->tp_seq->tp_foreach) && !DeeType_InheritIter(tp_other))
+		goto err_other_no_iter;
+	other_tp_foreach = tp_other->tp_seq->tp_foreach;
+	ASSERT(other_tp_foreach);
+	lhs_getitem_index = tp_self->tp_seq->tp_trygetitem_index;
+	lhs_size = DeeType_INVOKE_SIZE_NODEFAULT(tp_self, self);
+	if unlikely(lhs_size == (size_t)-1)
+		goto err;
+	if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndGetItemIndexFast) {
+		size_t rhs_size = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(rhs_size == (size_t)-1)
+			goto err;
+		result = seq_docompareeq__lhs_size_and_getitem_index__rhs_size_and_getitem_index_fast(self, lhs_size, lhs_getitem_index,
+		                                                                                      other, rhs_size, tp_other->tp_seq->tp_getitem_index_fast);
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndTryGetItemIndex) {
+		size_t rhs_size = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(rhs_size == (size_t)-1)
+			goto err;
+		result = seq_docompareeq__lhs_size_and_getitem_index__rhs_size_and_trygetitem_index(self, lhs_size, lhs_getitem_index,
+		                                                                                    other, rhs_size, tp_other->tp_seq->tp_trygetitem_index);
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndGetItemIndex ||
+	           other_tp_foreach == &DeeSeq_DefaultForeachWithSizeDefaultAndGetItemIndexDefault) {
+		size_t rhs_size = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(rhs_size == (size_t)-1)
+			goto err;
+		result = seq_docompareeq__lhs_size_and_getitem_index__rhs_size_and_getitem_index(self, lhs_size, lhs_getitem_index,
+		                                                                                 other, rhs_size, tp_other->tp_seq->tp_getitem_index);
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeObAndGetItem) {
+		DREF DeeObject *rhs_sizeob = (*tp_other->tp_seq->tp_sizeob)(other);
+		if unlikely(!rhs_sizeob)
+			goto err;
+		result = seq_docompareeq__lhs_size_and_getitem_index__rhs_sizeob_and_getitem(self, lhs_size, lhs_getitem_index,
+		                                                                             other, rhs_sizeob, tp_other->tp_seq->tp_getitem);
+		Dee_Decref(rhs_sizeob);
+	} else {
+		struct seq_compareforeach__size_and_getitem_index__data data;
+		Dee_ssize_t foreach_result;
+		data.scf_sgi_other          = self;
+		data.scf_sgi_osize          = lhs_size;
+		data.scf_sgi_oindex         = 0;
+		data.scf_sgi_ogetitem_index = lhs_getitem_index;
+		foreach_result = (*other_tp_foreach)(other, &seq_compareeq__lhs_size_and_getitem_index__rhs_foreach__cb, &data);
+		ASSERT(foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_EQUAL ||
+		       foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_ERROR ||
+		       foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_NOTEQUAL);
+		if unlikely(foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_ERROR)
+			goto err;
+		if (foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_EQUAL &&
+		    data.scf_sgi_oindex >= data.scf_sgi_osize) {
+			result = 0;
+		} else {
+			result = 1;
+		}
+	}
+	return result;
+err_other_no_iter:
+	err_unimplemented_operator(tp_other, OPERATOR_ITER);
+err:
+	return Dee_COMPARE_ERR;
+}
+
+DEFINE_INTERNAL_SEQ_OPERATOR(int, DefaultCompareEqWithSizeObAndGetItem,
+                             (DeeObject *self, DeeObject *other)) {
+	int result;
+	DREF DeeObject *lhs_sizeob;
+	DeeTypeObject *tp_other = Dee_TYPE(other);
+	DREF DeeObject *(DCALL *lhs_getitem)(DeeObject *self, DeeObject *index);
+#ifdef DEFINE_TYPED_OPERATORS
+	DREF DeeObject *(DCALL *lhs_tgetitem)(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index);
+#endif /* DEFINE_TYPED_OPERATORS */
+	Dee_ssize_t (DCALL *other_tp_foreach)(DeeObject *__restrict self, Dee_foreach_t proc, void *arg);
+	LOAD_TP_SELF;
+	if ((!tp_other->tp_seq || !tp_other->tp_seq->tp_foreach) && !DeeType_InheritIter(tp_other))
+		goto err_other_no_iter;
+	other_tp_foreach = tp_other->tp_seq->tp_foreach;
+	ASSERT(other_tp_foreach);
+	lhs_getitem = tp_self->tp_seq->tp_getitem;
+#ifdef DEFINE_TYPED_OPERATORS
+	lhs_tgetitem = lhs_getitem == &instance_getitem ? &instance_tgetitem : NULL;
+#endif /* DEFINE_TYPED_OPERATORS */
+	lhs_sizeob = DeeType_INVOKE_ITER_NODEFAULT(tp_self, self);
+	if unlikely(!lhs_sizeob)
+		goto err;
+	if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndGetItemIndexFast) {
+		size_t rhs_size = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(rhs_size == (size_t)-1)
+			goto err_lhs_sizeob;
+#ifdef DEFINE_TYPED_OPERATORS
+		if (lhs_tgetitem) {
+			result = seq_docompareeq__lhs_tsizeob_and_getitem__rhs_size_and_getitem_index_fast(tp_self, self, lhs_sizeob, lhs_tgetitem, other,
+			                                                                                   rhs_size, tp_other->tp_seq->tp_getitem_index_fast);
+		} else
+#endif /* DEFINE_TYPED_OPERATORS */
+		{
+			result = seq_docompareeq__lhs_sizeob_and_getitem__rhs_size_and_getitem_index_fast(self, lhs_sizeob, lhs_getitem, other,
+			                                                                                  rhs_size, tp_other->tp_seq->tp_getitem_index_fast);
+		}
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndTryGetItemIndex) {
+		size_t rhs_size = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(rhs_size == (size_t)-1)
+			goto err_lhs_sizeob;
+#ifdef DEFINE_TYPED_OPERATORS
+		if (lhs_tgetitem) {
+			result = seq_docompareeq__lhs_tsizeob_and_getitem__rhs_size_and_trygetitem_index(tp_self, self, lhs_sizeob, lhs_tgetitem, other,
+			                                                                                 rhs_size, tp_other->tp_seq->tp_trygetitem_index);
+		} else
+#endif /* DEFINE_TYPED_OPERATORS */
+		{
+			result = seq_docompareeq__lhs_sizeob_and_getitem__rhs_size_and_trygetitem_index(self, lhs_sizeob, lhs_getitem, other,
+			                                                                                rhs_size, tp_other->tp_seq->tp_trygetitem_index);
+		}
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndGetItemIndex ||
+	           other_tp_foreach == &DeeSeq_DefaultForeachWithSizeDefaultAndGetItemIndexDefault) {
+		size_t rhs_size = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(rhs_size == (size_t)-1)
+			goto err_lhs_sizeob;
+#ifdef DEFINE_TYPED_OPERATORS
+		if (lhs_tgetitem) {
+			result = seq_docompareeq__lhs_tsizeob_and_getitem__rhs_size_and_getitem_index(tp_self, self, lhs_sizeob, lhs_tgetitem, other,
+			                                                                              rhs_size, tp_other->tp_seq->tp_getitem_index);
+		} else
+#endif /* DEFINE_TYPED_OPERATORS */
+		{
+			result = seq_docompareeq__lhs_sizeob_and_getitem__rhs_size_and_getitem_index(self, lhs_sizeob, lhs_getitem, other,
+			                                                                             rhs_size, tp_other->tp_seq->tp_getitem_index);
+		}
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeObAndGetItem) {
+		DREF DeeObject *rhs_sizeob = (*tp_other->tp_seq->tp_sizeob)(other);
+		if unlikely(!rhs_sizeob)
+			goto err_lhs_sizeob;
+#ifdef DEFINE_TYPED_OPERATORS
+		if (lhs_tgetitem) {
+			result = seq_docompareeq__lhs_tsizeob_and_getitem__rhs_sizeob_and_getitem(tp_self, self, lhs_sizeob, lhs_tgetitem, other,
+			                                                                          rhs_sizeob, tp_other->tp_seq->tp_getitem);
+		} else
+#endif /* DEFINE_TYPED_OPERATORS */
+		{
+			result = seq_docompareeq__lhs_sizeob_and_getitem__rhs_sizeob_and_getitem(self, lhs_sizeob, lhs_getitem, other,
+			                                                                         rhs_sizeob, tp_other->tp_seq->tp_getitem);
+		}
+		Dee_Decref(rhs_sizeob);
+	} else {
+		Dee_ssize_t foreach_result;
+		DREF DeeObject *lhs_indexob;
+		lhs_indexob = DeeObject_NewDefault(Dee_TYPE(lhs_sizeob));
+		if unlikely(!lhs_indexob)
+			goto err_lhs_sizeob;
+#ifdef DEFINE_TYPED_OPERATORS
+		if (lhs_tgetitem) {
+			struct seq_compare_foreach__tsizeob_and_getitem__data data;
+			data.scf_tsg_tpother   = tp_self;
+			data.scf_tsg_other     = self;
+			data.scf_tsg_osize     = lhs_sizeob;
+			data.scf_tsg_oindex    = lhs_indexob;
+			data.scf_tsg_otgetitem = lhs_tgetitem;
+			foreach_result = (*other_tp_foreach)(other, &seq_compareeq__tlhs_sizeob_and_getitem__rhs_foreach__cb, &data);
+		} else
+#endif /* DEFINE_TYPED_OPERATORS */
+		{
+			struct seq_compare_foreach__sizeob_and_getitem__data data;
+			data.scf_sg_other    = self;
+			data.scf_sg_osize    = lhs_sizeob;
+			data.scf_sg_oindex   = lhs_indexob;
+			data.scf_sg_ogetitem = lhs_getitem;
+			foreach_result = (*other_tp_foreach)(other, &seq_compareeq__lhs_sizeob_and_getitem__rhs_foreach__cb, &data);
+		}
+		Dee_Decref(lhs_indexob);
+		ASSERT(foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_EQUAL ||
+		       foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_ERROR ||
+		       foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_NOTEQUAL);
+		if unlikely(foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_ERROR)
+			goto err_lhs_sizeob;
+		result = foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_EQUAL ? 0 : 1;
+	}
+	Dee_Decref(lhs_sizeob);
+	return result;
+err_lhs_sizeob:
+	Dee_Decref(lhs_sizeob);
+	return Dee_COMPARE_ERR;
+err_other_no_iter:
+	err_unimplemented_operator(tp_other, OPERATOR_ITER);
+err:
+	return Dee_COMPARE_ERR;
+}
+
+DEFINE_INTERNAL_SET_OPERATOR(int, DefaultCompareEqWithForeachDefault,
+                             (DeeObject *self, DeeObject *other)) {
+	size_t rhs_size;
+	Dee_ssize_t contains_status;
+	DeeTypeObject *tp_other = Dee_TYPE(other);
+	struct set_compare__lhs_foreach__rhs__data data;
+	LOAD_TP_SELF;
+	if ((!tp_other->tp_seq || !tp_other->tp_seq->tp_contains) && !DeeType_InheritContains(tp_other))
+		goto err_other_no_contains;
+	data.sc_lfr_rhs       = other;
+	data.sc_lfr_rcontains = tp_other->tp_seq->tp_contains;
+	contains_status = DeeType_INVOKE_FOREACH(tp_self, self, &set_compare__lhs_foreach__rhs__cb, &data);
+	if unlikely(contains_status == -1)
+		goto err;
+	if (contains_status == -2)
+		return 1; /* "other" is missing some element of "self" */
+	rhs_size = DeeObject_Size(other);
+	if unlikely(rhs_size == (size_t)-1)
+		goto err;
+	if ((size_t)contains_status != rhs_size)
+		return 1; /* Sets have different sizes */
+	return 0;
+err_other_no_contains:
+	err_unimplemented_operator(tp_other, OPERATOR_CONTAINS);
+err:
+	return Dee_COMPARE_ERR;
+}
+
+DEFINE_INTERNAL_MAP_OPERATOR(int, DefaultCompareEqWithForeachPairDefault,
+                             (DeeObject *self, DeeObject *other)) {
+	size_t rhs_size;
+	Dee_ssize_t contains_status;
+	DeeTypeObject *tp_other = Dee_TYPE(other);
+	struct map_compare__lhs_foreach__rhs__data data;
+	LOAD_TP_SELF;
+	if ((!tp_other->tp_seq || !tp_other->tp_seq->tp_trygetitem) && !DeeType_InheritGetItem(tp_other))
+		goto err_other_no_getitem;
+	data.mc_lfr_rhs         = other;
+	data.mc_lfr_rtrygetitem = tp_other->tp_seq->tp_trygetitem;
+	contains_status = DeeType_INVOKE_FOREACH_PAIR(tp_self, self, &map_compare__lhs_foreach__rhs__cb, &data);
+	if unlikely(contains_status == -1)
+		goto err;
+	if (contains_status == -2)
+		return 1; /* "other" is missing some element of "self", or has a different value for it */
+	rhs_size = DeeObject_Size(other);
+	if unlikely(rhs_size == (size_t)-1)
+		goto err;
+	if ((size_t)contains_status != rhs_size)
+		return 1; /* Maps have different sizes */
+	return 0;
+err_other_no_getitem:
+	err_unimplemented_operator(tp_other, OPERATOR_GETITEM);
+err:
+	return Dee_COMPARE_ERR;
+}
+
+
+/* tp_compare */
+DEFINE_INTERNAL_OPERATOR(int, DefaultCompareWithEqAndLo,
+                         (DeeObject *self, DeeObject *other)) {
+	int temp;
+	DREF DeeObject *cmp_ob;
+	LOAD_TP_SELF;
+	cmp_ob = DeeType_INVOKE_EQ(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (temp)
+		return 0; /* Equal */
+	cmp_ob = DeeType_INVOKE_LO(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (temp)
+		return -1; /* Less */
+	return 1;      /* Greater */
+err:
+	return Dee_COMPARE_ERR;
+}
+
+DEFINE_INTERNAL_OPERATOR(int, DefaultCompareWithEqAndLe,
+                         (DeeObject *self, DeeObject *other)) {
+	int temp;
+	DREF DeeObject *cmp_ob;
+	LOAD_TP_SELF;
+	cmp_ob = DeeType_INVOKE_EQ(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (temp)
+		return 0; /* Equal */
+	cmp_ob = DeeType_INVOKE_LE(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (temp)
+		return -1; /* Less */
+	return 1;      /* Greater */
+err:
+	return Dee_COMPARE_ERR;
+}
+
+DEFINE_INTERNAL_OPERATOR(int, DefaultCompareWithEqAndGr,
+                         (DeeObject *self, DeeObject *other)) {
+	int temp;
+	DREF DeeObject *cmp_ob;
+	LOAD_TP_SELF;
+	cmp_ob = DeeType_INVOKE_EQ(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (temp)
+		return 0; /* Equal */
+	cmp_ob = DeeType_INVOKE_GR(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (temp)
+		return 1; /* Greater */
+	return -1;    /* Less */
+err:
+	return Dee_COMPARE_ERR;
+}
+
+DEFINE_INTERNAL_OPERATOR(int, DefaultCompareWithEqAndGe,
+                         (DeeObject *self, DeeObject *other)) {
+	int temp;
+	DREF DeeObject *cmp_ob;
+	LOAD_TP_SELF;
+	cmp_ob = DeeType_INVOKE_EQ(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (temp)
+		return 0; /* Equal */
+	cmp_ob = DeeType_INVOKE_GE(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (temp)
+		return 1; /* Greater */
+	return -1;    /* Less */
+err:
+	return Dee_COMPARE_ERR;
+}
+
+DEFINE_INTERNAL_OPERATOR(int, DefaultCompareWithNeAndLo,
+                         (DeeObject *self, DeeObject *other)) {
+	int temp;
+	DREF DeeObject *cmp_ob;
+	LOAD_TP_SELF;
+	cmp_ob = DeeType_INVOKE_NE(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (!temp)
+		return 0; /* Equal */
+	cmp_ob = DeeType_INVOKE_LO(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (temp)
+		return -1; /* Less */
+	return 1;      /* Greater */
+err:
+	return Dee_COMPARE_ERR;
+}
+
+DEFINE_INTERNAL_OPERATOR(int, DefaultCompareWithNeAndLe,
+                         (DeeObject *self, DeeObject *other)) {
+	int temp;
+	DREF DeeObject *cmp_ob;
+	LOAD_TP_SELF;
+	cmp_ob = DeeType_INVOKE_NE(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (!temp)
+		return 0; /* Equal */
+	cmp_ob = DeeType_INVOKE_LE(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (temp)
+		return -1; /* Less */
+	return 1;      /* Greater */
+err:
+	return Dee_COMPARE_ERR;
+}
+
+DEFINE_INTERNAL_OPERATOR(int, DefaultCompareWithNeAndGr,
+                         (DeeObject *self, DeeObject *other)) {
+	int temp;
+	DREF DeeObject *cmp_ob;
+	LOAD_TP_SELF;
+	cmp_ob = DeeType_INVOKE_NE(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (!temp)
+		return 0; /* Equal */
+	cmp_ob = DeeType_INVOKE_GR(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (temp)
+		return 1; /* Greater */
+	return -1;    /* Less */
+err:
+	return Dee_COMPARE_ERR;
+}
+
+DEFINE_INTERNAL_OPERATOR(int, DefaultCompareWithNeAndGe,
+                         (DeeObject *self, DeeObject *other)) {
+	int temp;
+	DREF DeeObject *cmp_ob;
+	LOAD_TP_SELF;
+	cmp_ob = DeeType_INVOKE_NE(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (!temp)
+		return 0; /* Equal */
+	cmp_ob = DeeType_INVOKE_GE(tp_self, self, other);
+	if unlikely(!cmp_ob)
+		goto err;
+	temp = DeeObject_BoolInherited(cmp_ob);
+	if unlikely(temp < 0)
+		goto err;
+	if (temp)
+		return 1; /* Greater */
+	return -1;    /* Less */
+err:
+	return Dee_COMPARE_ERR;
+}
+
+DEFINE_INTERNAL_SEQ_OPERATOR(int, DefaultCompareWithForeachDefault,
+                             (DeeObject *self, DeeObject *other)) {
+	DeeTypeObject *tp_other = Dee_TYPE(other);
+	Dee_ssize_t (DCALL *other_tp_foreach)(DeeObject *__restrict self, Dee_foreach_t proc, void *arg);
+	Dee_ssize_t result;
+	LOAD_TP_SELF;
+	if ((!tp_other->tp_seq || !tp_other->tp_seq->tp_foreach) && !DeeType_InheritIter(tp_other))
+		goto err_other_no_iter;
+	other_tp_foreach = tp_other->tp_seq->tp_foreach;
+	ASSERT(other_tp_foreach);
+	if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndGetItemIndexFast) {
+		struct seq_compareforeach__size_and_getitem_index__data data;
+		data.scf_sgi_osize = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(data.scf_sgi_osize == (size_t)-1)
+			goto err;
+		data.scf_sgi_other          = other;
+		data.scf_sgi_oindex         = 0;
+		data.scf_sgi_ogetitem_index = tp_other->tp_seq->tp_getitem_index_fast;
+		result = DeeType_INVOKE_FOREACH(tp_self, self, &seq_compare__lhs_foreach__rhs_size_and_getitem_index_fast__cb, &data);
+		if (result == SEQ_COMPARE_FOREACH_RESULT_EQUAL && data.scf_sgi_oindex < data.scf_sgi_osize)
+			result = SEQ_COMPARE_FOREACH_RESULT_LESS;
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndTryGetItemIndex) {
+		struct seq_compareforeach__size_and_getitem_index__data data;
+		data.scf_sgi_osize = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(data.scf_sgi_osize == (size_t)-1)
+			goto err;
+		data.scf_sgi_other          = other;
+		data.scf_sgi_oindex         = 0;
+		data.scf_sgi_ogetitem_index = tp_other->tp_seq->tp_trygetitem_index;
+		result = DeeType_INVOKE_FOREACH(tp_self, self, &seq_compare__lhs_foreach__rhs_size_and_trygetitem_index__cb, &data);
+		if (result == SEQ_COMPARE_FOREACH_RESULT_EQUAL && data.scf_sgi_oindex < data.scf_sgi_osize)
+			result = SEQ_COMPARE_FOREACH_RESULT_LESS;
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndGetItemIndex ||
+	           other_tp_foreach == &DeeSeq_DefaultForeachWithSizeDefaultAndGetItemIndexDefault) {
+		struct seq_compareforeach__size_and_getitem_index__data data;
+		data.scf_sgi_osize = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(data.scf_sgi_osize == (size_t)-1)
+			goto err;
+		data.scf_sgi_other          = other;
+		data.scf_sgi_oindex         = 0;
+		data.scf_sgi_ogetitem_index = tp_other->tp_seq->tp_getitem_index;
+		result = DeeType_INVOKE_FOREACH(tp_self, self, &seq_compare__lhs_foreach__rhs_size_and_getitem_index__cb, &data);
+		if (result == SEQ_COMPARE_FOREACH_RESULT_EQUAL && data.scf_sgi_oindex < data.scf_sgi_osize)
+			result = SEQ_COMPARE_FOREACH_RESULT_LESS;
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeObAndGetItem) {
+		struct seq_compare_foreach__sizeob_and_getitem__data data;
+		data.scf_sg_osize = (*tp_other->tp_seq->tp_sizeob)(other);
+		if unlikely(!data.scf_sg_osize)
+			goto err;
+		data.scf_sg_oindex = DeeObject_NewDefault(Dee_TYPE(data.scf_sg_osize));
+		if unlikely(!data.scf_sg_oindex) {
+			result = SEQ_COMPARE_FOREACH_RESULT_ERROR;
+		} else {
+			data.scf_sg_other    = other;
+			data.scf_sg_ogetitem = tp_other->tp_seq->tp_getitem;
+			result = DeeType_INVOKE_FOREACH(tp_self, self, &seq_compare__lhs_foreach__rhs_sizeob_and_getitem__cb, &data);
+			if (result == SEQ_COMPARE_FOREACH_RESULT_EQUAL) {
+				int temp = DeeObject_CompareLo(data.scf_sg_oindex, data.scf_sg_osize);
+				Dee_Decref(data.scf_sg_oindex);
+				if unlikely(temp < 0) {
+					result = SEQ_COMPARE_FOREACH_RESULT_ERROR;
+				} else if (temp) {
+					result = SEQ_COMPARE_FOREACH_RESULT_LESS;
+				}
+			} else {
+				Dee_Decref(data.scf_sg_oindex);
+			}
+		}
+		Dee_Decref(data.scf_sg_osize);
+	} else {
+		DREF DeeObject *rhs_iter;
+		rhs_iter = (*tp_other->tp_seq->tp_iter)(other);
+		if unlikely(!rhs_iter)
+			goto err;
+		result = DeeType_INVOKE_FOREACH(tp_self, self, &seq_compare__lhs_foreach__rhs_iter__cb, rhs_iter);
+		if (result == SEQ_COMPARE_FOREACH_RESULT_EQUAL) {
+			DREF DeeObject *next = DeeObject_IterNext(rhs_iter);
+			Dee_Decref(rhs_iter);
+			if unlikely(!next)
+				goto err;
+			if (next != ITER_DONE) {
+				Dee_Decref(next);
+				result = SEQ_COMPARE_FOREACH_RESULT_LESS;
+			}
+		} else {
+			Dee_Decref(rhs_iter);
+		}
+	}
+	ASSERT(result == SEQ_COMPARE_FOREACH_RESULT_EQUAL ||
+	       result == SEQ_COMPARE_FOREACH_RESULT_ERROR ||
+	       result == SEQ_COMPARE_FOREACH_RESULT_LESS ||
+	       result == SEQ_COMPARE_FOREACH_RESULT_GREATER);
+	if unlikely(result == SEQ_COMPARE_FOREACH_RESULT_ERROR)
+		goto err;
+	if (result == SEQ_COMPARE_FOREACH_RESULT_LESS)
+		return -1;
+	if (result == SEQ_COMPARE_FOREACH_RESULT_GREATER)
+		return 1;
+	return 0; /* Equal */
+err_other_no_iter:
+	err_unimplemented_operator(tp_other, OPERATOR_ITER);
+err:
+	return Dee_COMPARE_ERR;
+}
+
+DEFINE_INTERNAL_SEQ_OPERATOR(int, DefaultCompareWithSizeAndGetItemIndexFast,
+                             (DeeObject *self, DeeObject *other)) {
+	int result;
+	size_t lhs_size;
+	DeeTypeObject *tp_other = Dee_TYPE(other);
+	DREF DeeObject *(DCALL *lhs_getitem_index_fast)(DeeObject *self, size_t index);
+	Dee_ssize_t (DCALL *other_tp_foreach)(DeeObject *__restrict self, Dee_foreach_t proc, void *arg);
+	LOAD_TP_SELF;
+	if ((!tp_other->tp_seq || !tp_other->tp_seq->tp_foreach) && !DeeType_InheritIter(tp_other))
+		goto err_other_no_iter;
+	other_tp_foreach = tp_other->tp_seq->tp_foreach;
+	ASSERT(other_tp_foreach);
+	lhs_getitem_index_fast = tp_self->tp_seq->tp_getitem_index_fast;
+	lhs_size = DeeType_INVOKE_SIZE_NODEFAULT(tp_self, self);
+	if unlikely(lhs_size == (size_t)-1)
+		goto err;
+	if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndGetItemIndexFast) {
+		size_t rhs_size = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(rhs_size == (size_t)-1)
+			goto err;
+		result = seq_docompare__lhs_size_and_getitem_index_fast__rhs_size_and_getitem_index_fast(self, lhs_size, lhs_getitem_index_fast,
+		                                                                                         other, rhs_size, tp_other->tp_seq->tp_getitem_index_fast);
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndTryGetItemIndex) {
+		size_t rhs_size = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(rhs_size == (size_t)-1)
+			goto err;
+		result = seq_docompare__lhs_size_and_getitem_index_fast__rhs_size_and_trygetitem_index(self, lhs_size, lhs_getitem_index_fast,
+		                                                                                       other, rhs_size, tp_other->tp_seq->tp_trygetitem_index);
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndGetItemIndex ||
+	           other_tp_foreach == &DeeSeq_DefaultForeachWithSizeDefaultAndGetItemIndexDefault) {
+		size_t rhs_size = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(rhs_size == (size_t)-1)
+			goto err;
+		result = seq_docompare__lhs_size_and_getitem_index_fast__rhs_size_and_getitem_index(self, lhs_size, lhs_getitem_index_fast,
+		                                                                                    other, rhs_size, tp_other->tp_seq->tp_getitem_index);
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeObAndGetItem) {
+		DREF DeeObject *rhs_sizeob = (*tp_other->tp_seq->tp_sizeob)(other);
+		if unlikely(!rhs_sizeob)
+			goto err;
+		result = seq_docompare__lhs_size_and_getitem_index_fast__rhs_sizeob_and_getitem(self, lhs_size, lhs_getitem_index_fast,
+		                                                                                other, rhs_sizeob, tp_other->tp_seq->tp_getitem);
+		Dee_Decref(rhs_sizeob);
+	} else {
+		struct seq_compareforeach__size_and_getitem_index__data data;
+		Dee_ssize_t foreach_result;
+		data.scf_sgi_other          = self;
+		data.scf_sgi_osize          = lhs_size;
+		data.scf_sgi_oindex         = 0;
+		data.scf_sgi_ogetitem_index = lhs_getitem_index_fast;
+		foreach_result = (*other_tp_foreach)(other, &seq_compare__lhs_size_and_getitem_index_fast__rhs_foreach__cb, &data);
+		ASSERT(foreach_result == SEQ_COMPARE_FOREACH_RESULT_EQUAL ||
+		       foreach_result == SEQ_COMPARE_FOREACH_RESULT_ERROR ||
+		       foreach_result == SEQ_COMPARE_FOREACH_RESULT_LESS ||
+		       foreach_result == SEQ_COMPARE_FOREACH_RESULT_GREATER);
+		if unlikely(foreach_result == SEQ_COMPARE_FOREACH_RESULT_ERROR)
+			goto err;
+		if (foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_EQUAL) {
+			result = 0;
+		} else if (foreach_result == SEQ_COMPARE_FOREACH_RESULT_LESS) {
+			result = -1;
+		} else {
+			result = 1;
+		}
+	}
+	return result;
+err_other_no_iter:
+	err_unimplemented_operator(tp_other, OPERATOR_ITER);
+err:
+	return Dee_COMPARE_ERR;
+}
+
+DEFINE_INTERNAL_SEQ_OPERATOR(int, DefaultCompareWithSizeAndTryGetItemIndex,
+                             (DeeObject *self, DeeObject *other)) {
+	int result;
+	size_t lhs_size;
+	DeeTypeObject *tp_other = Dee_TYPE(other);
+	DREF DeeObject *(DCALL *lhs_trygetitem_index)(DeeObject *self, size_t index);
+	Dee_ssize_t (DCALL *other_tp_foreach)(DeeObject *__restrict self, Dee_foreach_t proc, void *arg);
+	LOAD_TP_SELF;
+	if ((!tp_other->tp_seq || !tp_other->tp_seq->tp_foreach) && !DeeType_InheritIter(tp_other))
+		goto err_other_no_iter;
+	other_tp_foreach = tp_other->tp_seq->tp_foreach;
+	ASSERT(other_tp_foreach);
+	lhs_trygetitem_index = tp_self->tp_seq->tp_trygetitem_index;
+	lhs_size = DeeType_INVOKE_SIZE_NODEFAULT(tp_self, self);
+	if unlikely(lhs_size == (size_t)-1)
+		goto err;
+	if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndGetItemIndexFast) {
+		size_t rhs_size = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(rhs_size == (size_t)-1)
+			goto err;
+		result = seq_docompare__lhs_size_and_trygetitem_index__rhs_size_and_getitem_index_fast(self, lhs_size, lhs_trygetitem_index,
+		                                                                                       other, rhs_size, tp_other->tp_seq->tp_getitem_index_fast);
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndTryGetItemIndex) {
+		size_t rhs_size = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(rhs_size == (size_t)-1)
+			goto err;
+		result = seq_docompare__lhs_size_and_trygetitem_index__rhs_size_and_trygetitem_index(self, lhs_size, lhs_trygetitem_index,
+		                                                                                     other, rhs_size, tp_other->tp_seq->tp_trygetitem_index);
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndGetItemIndex ||
+	           other_tp_foreach == &DeeSeq_DefaultForeachWithSizeDefaultAndGetItemIndexDefault) {
+		size_t rhs_size = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(rhs_size == (size_t)-1)
+			goto err;
+		result = seq_docompare__lhs_size_and_trygetitem_index__rhs_size_and_getitem_index(self, lhs_size, lhs_trygetitem_index,
+		                                                                                  other, rhs_size, tp_other->tp_seq->tp_getitem_index);
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeObAndGetItem) {
+		DREF DeeObject *rhs_sizeob = (*tp_other->tp_seq->tp_sizeob)(other);
+		if unlikely(!rhs_sizeob)
+			goto err;
+		result = seq_docompare__lhs_size_and_trygetitem_index__rhs_sizeob_and_getitem(self, lhs_size, lhs_trygetitem_index,
+		                                                                              other, rhs_sizeob, tp_other->tp_seq->tp_getitem);
+		Dee_Decref(rhs_sizeob);
+	} else {
+		struct seq_compareforeach__size_and_getitem_index__data data;
+		Dee_ssize_t foreach_result;
+		data.scf_sgi_other          = self;
+		data.scf_sgi_osize          = lhs_size;
+		data.scf_sgi_oindex         = 0;
+		data.scf_sgi_ogetitem_index = lhs_trygetitem_index;
+		foreach_result = (*other_tp_foreach)(other, &seq_compare__lhs_size_and_trygetitem_index__rhs_foreach__cb, &data);
+		ASSERT(foreach_result == SEQ_COMPARE_FOREACH_RESULT_EQUAL ||
+		       foreach_result == SEQ_COMPARE_FOREACH_RESULT_ERROR ||
+		       foreach_result == SEQ_COMPARE_FOREACH_RESULT_LESS ||
+		       foreach_result == SEQ_COMPARE_FOREACH_RESULT_GREATER);
+		if unlikely(foreach_result == SEQ_COMPARE_FOREACH_RESULT_ERROR)
+			goto err;
+		if (foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_EQUAL) {
+			result = 0;
+		} else if (foreach_result == SEQ_COMPARE_FOREACH_RESULT_LESS) {
+			result = -1;
+		} else {
+			result = 1;
+		}
+	}
+	return result;
+err_other_no_iter:
+	err_unimplemented_operator(tp_other, OPERATOR_ITER);
+err:
+	return Dee_COMPARE_ERR;
+}
+
+DEFINE_INTERNAL_SEQ_OPERATOR(int, DefaultCompareWithSizeAndGetItemIndex,
+                             (DeeObject *self, DeeObject *other)) {
+	int result;
+	size_t lhs_size;
+	DeeTypeObject *tp_other = Dee_TYPE(other);
+	DREF DeeObject *(DCALL *lhs_getitem_index)(DeeObject *self, size_t index);
+	Dee_ssize_t (DCALL *other_tp_foreach)(DeeObject *__restrict self, Dee_foreach_t proc, void *arg);
+	LOAD_TP_SELF;
+	if ((!tp_other->tp_seq || !tp_other->tp_seq->tp_foreach) && !DeeType_InheritIter(tp_other))
+		goto err_other_no_iter;
+	other_tp_foreach = tp_other->tp_seq->tp_foreach;
+	ASSERT(other_tp_foreach);
+	lhs_getitem_index = tp_self->tp_seq->tp_getitem_index;
+	lhs_size = DeeType_INVOKE_SIZE_NODEFAULT(tp_self, self);
+	if unlikely(lhs_size == (size_t)-1)
+		goto err;
+	if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndGetItemIndexFast) {
+		size_t rhs_size = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(rhs_size == (size_t)-1)
+			goto err;
+		result = seq_docompare__lhs_size_and_getitem_index__rhs_size_and_getitem_index_fast(self, lhs_size, lhs_getitem_index,
+		                                                                                    other, rhs_size, tp_other->tp_seq->tp_getitem_index_fast);
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndTryGetItemIndex) {
+		size_t rhs_size = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(rhs_size == (size_t)-1)
+			goto err;
+		result = seq_docompare__lhs_size_and_getitem_index__rhs_size_and_trygetitem_index(self, lhs_size, lhs_getitem_index,
+		                                                                                  other, rhs_size, tp_other->tp_seq->tp_trygetitem_index);
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndGetItemIndex ||
+	           other_tp_foreach == &DeeSeq_DefaultForeachWithSizeDefaultAndGetItemIndexDefault) {
+		size_t rhs_size = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(rhs_size == (size_t)-1)
+			goto err;
+		result = seq_docompare__lhs_size_and_getitem_index__rhs_size_and_getitem_index(self, lhs_size, lhs_getitem_index,
+		                                                                               other, rhs_size, tp_other->tp_seq->tp_getitem_index);
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeObAndGetItem) {
+		DREF DeeObject *rhs_sizeob = (*tp_other->tp_seq->tp_sizeob)(other);
+		if unlikely(!rhs_sizeob)
+			goto err;
+		result = seq_docompare__lhs_size_and_getitem_index__rhs_sizeob_and_getitem(self, lhs_size, lhs_getitem_index,
+		                                                                           other, rhs_sizeob, tp_other->tp_seq->tp_getitem);
+		Dee_Decref(rhs_sizeob);
+	} else {
+		struct seq_compareforeach__size_and_getitem_index__data data;
+		Dee_ssize_t foreach_result;
+		data.scf_sgi_other          = self;
+		data.scf_sgi_osize          = lhs_size;
+		data.scf_sgi_oindex         = 0;
+		data.scf_sgi_ogetitem_index = lhs_getitem_index;
+		foreach_result = (*other_tp_foreach)(other, &seq_compare__lhs_size_and_getitem_index__rhs_foreach__cb, &data);
+		ASSERT(foreach_result == SEQ_COMPARE_FOREACH_RESULT_EQUAL ||
+		       foreach_result == SEQ_COMPARE_FOREACH_RESULT_ERROR ||
+		       foreach_result == SEQ_COMPARE_FOREACH_RESULT_LESS ||
+		       foreach_result == SEQ_COMPARE_FOREACH_RESULT_GREATER);
+		if unlikely(foreach_result == SEQ_COMPARE_FOREACH_RESULT_ERROR)
+			goto err;
+		if (foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_EQUAL) {
+			result = 0;
+		} else if (foreach_result == SEQ_COMPARE_FOREACH_RESULT_LESS) {
+			result = -1;
+		} else {
+			result = 1;
+		}
+	}
+	return result;
+err_other_no_iter:
+	err_unimplemented_operator(tp_other, OPERATOR_ITER);
+err:
+	return Dee_COMPARE_ERR;
+}
+
+DEFINE_INTERNAL_SEQ_OPERATOR(int, DefaultCompareWithSizeObAndGetItem,
+                             (DeeObject *self, DeeObject *other)) {
+	int result;
+	DREF DeeObject *lhs_sizeob;
+	DeeTypeObject *tp_other = Dee_TYPE(other);
+	DREF DeeObject *(DCALL *lhs_getitem)(DeeObject *self, DeeObject *index);
+#ifdef DEFINE_TYPED_OPERATORS
+	DREF DeeObject *(DCALL *lhs_tgetitem)(DeeTypeObject *tp_self, DeeObject *self, DeeObject *index);
+#endif /* DEFINE_TYPED_OPERATORS */
+	Dee_ssize_t (DCALL *other_tp_foreach)(DeeObject *__restrict self, Dee_foreach_t proc, void *arg);
+	LOAD_TP_SELF;
+	if ((!tp_other->tp_seq || !tp_other->tp_seq->tp_foreach) && !DeeType_InheritIter(tp_other))
+		goto err_other_no_iter;
+	other_tp_foreach = tp_other->tp_seq->tp_foreach;
+	ASSERT(other_tp_foreach);
+	lhs_getitem = tp_self->tp_seq->tp_getitem;
+#ifdef DEFINE_TYPED_OPERATORS
+	lhs_tgetitem = lhs_getitem == &instance_getitem ? &instance_tgetitem : NULL;
+#endif /* DEFINE_TYPED_OPERATORS */
+	lhs_sizeob = DeeType_INVOKE_ITER_NODEFAULT(tp_self, self);
+	if unlikely(!lhs_sizeob)
+		goto err;
+	if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndGetItemIndexFast) {
+		size_t rhs_size = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(rhs_size == (size_t)-1)
+			goto err_lhs_sizeob;
+#ifdef DEFINE_TYPED_OPERATORS
+		if (lhs_tgetitem) {
+			result = seq_docompare__lhs_tsizeob_and_getitem__rhs_size_and_getitem_index_fast(tp_self, self, lhs_sizeob, lhs_tgetitem, other,
+			                                                                                 rhs_size, tp_other->tp_seq->tp_getitem_index_fast);
+		} else
+#endif /* DEFINE_TYPED_OPERATORS */
+		{
+			result = seq_docompare__lhs_sizeob_and_getitem__rhs_size_and_getitem_index_fast(self, lhs_sizeob, lhs_getitem, other,
+			                                                                                rhs_size, tp_other->tp_seq->tp_getitem_index_fast);
+		}
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndTryGetItemIndex) {
+		size_t rhs_size = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(rhs_size == (size_t)-1)
+			goto err_lhs_sizeob;
+#ifdef DEFINE_TYPED_OPERATORS
+		if (lhs_tgetitem) {
+			result = seq_docompare__lhs_tsizeob_and_getitem__rhs_size_and_trygetitem_index(tp_self, self, lhs_sizeob, lhs_tgetitem, other,
+			                                                                               rhs_size, tp_other->tp_seq->tp_trygetitem_index);
+		} else
+#endif /* DEFINE_TYPED_OPERATORS */
+		{
+			result = seq_docompare__lhs_sizeob_and_getitem__rhs_size_and_trygetitem_index(self, lhs_sizeob, lhs_getitem, other,
+			                                                                              rhs_size, tp_other->tp_seq->tp_trygetitem_index);
+		}
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeAndGetItemIndex ||
+	           other_tp_foreach == &DeeSeq_DefaultForeachWithSizeDefaultAndGetItemIndexDefault) {
+		size_t rhs_size = (*tp_other->tp_seq->tp_size)(other);
+		if unlikely(rhs_size == (size_t)-1)
+			goto err_lhs_sizeob;
+#ifdef DEFINE_TYPED_OPERATORS
+		if (lhs_tgetitem) {
+			result = seq_docompare__lhs_tsizeob_and_getitem__rhs_size_and_getitem_index(tp_self, self, lhs_sizeob, lhs_tgetitem, other,
+			                                                                            rhs_size, tp_other->tp_seq->tp_getitem_index);
+		} else
+#endif /* DEFINE_TYPED_OPERATORS */
+		{
+			result = seq_docompare__lhs_sizeob_and_getitem__rhs_size_and_getitem_index(self, lhs_sizeob, lhs_getitem, other,
+			                                                                           rhs_size, tp_other->tp_seq->tp_getitem_index);
+		}
+	} else if (other_tp_foreach == &DeeSeq_DefaultForeachWithSizeObAndGetItem) {
+		DREF DeeObject *rhs_sizeob = (*tp_other->tp_seq->tp_sizeob)(other);
+		if unlikely(!rhs_sizeob)
+			goto err_lhs_sizeob;
+#ifdef DEFINE_TYPED_OPERATORS
+		if (lhs_tgetitem) {
+			result = seq_docompare__lhs_tsizeob_and_getitem__rhs_sizeob_and_getitem(tp_self, self, lhs_sizeob, lhs_tgetitem, other,
+			                                                                        rhs_sizeob, tp_other->tp_seq->tp_getitem);
+		} else
+#endif /* DEFINE_TYPED_OPERATORS */
+		{
+			result = seq_docompare__lhs_sizeob_and_getitem__rhs_sizeob_and_getitem(self, lhs_sizeob, lhs_getitem, other,
+			                                                                       rhs_sizeob, tp_other->tp_seq->tp_getitem);
+		}
+		Dee_Decref(rhs_sizeob);
+	} else {
+		Dee_ssize_t foreach_result;
+		DREF DeeObject *lhs_indexob;
+		lhs_indexob = DeeObject_NewDefault(Dee_TYPE(lhs_sizeob));
+		if unlikely(!lhs_indexob)
+			goto err_lhs_sizeob;
+#ifdef DEFINE_TYPED_OPERATORS
+		if (lhs_tgetitem) {
+			struct seq_compare_foreach__tsizeob_and_getitem__data data;
+			data.scf_tsg_tpother   = tp_self;
+			data.scf_tsg_other     = self;
+			data.scf_tsg_osize     = lhs_sizeob;
+			data.scf_tsg_oindex    = lhs_indexob;
+			data.scf_tsg_otgetitem = lhs_tgetitem;
+			foreach_result = (*other_tp_foreach)(other, &seq_compare__tlhs_sizeob_and_getitem__rhs_foreach__cb, &data);
+		} else
+#endif /* DEFINE_TYPED_OPERATORS */
+		{
+			struct seq_compare_foreach__sizeob_and_getitem__data data;
+			data.scf_sg_other    = self;
+			data.scf_sg_osize    = lhs_sizeob;
+			data.scf_sg_oindex   = lhs_indexob;
+			data.scf_sg_ogetitem = lhs_getitem;
+			foreach_result = (*other_tp_foreach)(other, &seq_compare__lhs_sizeob_and_getitem__rhs_foreach__cb, &data);
+		}
+		Dee_Decref(lhs_indexob);
+		ASSERT(foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_EQUAL ||
+		       foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_ERROR ||
+		       foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_NOTEQUAL);
+		if unlikely(foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_ERROR)
+			goto err_lhs_sizeob;
+		result = foreach_result == SEQ_COMPAREEQ_FOREACH_RESULT_EQUAL ? 0 : 1;
+	}
+	Dee_Decref(lhs_sizeob);
+	return result;
+err_lhs_sizeob:
+	Dee_Decref(lhs_sizeob);
+	return Dee_COMPARE_ERR;
+err_other_no_iter:
+	err_unimplemented_operator(tp_other, OPERATOR_ITER);
+err:
+	return Dee_COMPARE_ERR;
 }
 
 
+
+
+
 /* Default wrappers for implementing OPERATOR_ITER via `tp_iter <===> tp_foreach <===> tp_foreach_pair' */
 DEFINE_INTERNAL_OPERATOR(DREF DeeObject *, DefaultIterWithForeach, (DeeObject *__restrict self)) {
 	LOAD_TP_SELF;
@@ -3561,7 +5588,7 @@ DEFINE_INTERNAL_SEQ_OPERATOR(DREF DeeObject *, DefaultIterWithSizeAndGetItemInde
 	return NULL;
 }
 
-DEFINE_INTERNAL_SEQ_OPERATOR(DREF DeeObject *, DefaultIterWithTryGetItemIndexAndSize,
+DEFINE_INTERNAL_SEQ_OPERATOR(DREF DeeObject *, DefaultIterWithSizeAndTryGetItemIndex,
                              (DeeObject *RESTRICT_IF_NOTYPE self)) {
 	size_t size;
 	DREF DefaultIterator_WithSizeAndGetItemIndex *result;
@@ -3578,7 +5605,7 @@ DEFINE_INTERNAL_SEQ_OPERATOR(DREF DeeObject *, DefaultIterWithTryGetItemIndexAnd
 	result->disgi_tp_getitem_index = tp_self->tp_seq->tp_trygetitem_index;
 	result->disgi_index            = 0;
 	result->disgi_end              = size;
-	DeeObject_Init(result, &DefaultIterator_WithTryGetItemIndexAndSize_Type);
+	DeeObject_Init(result, &DefaultIterator_WithSizeAndTryGetItemIndex_Type);
 	return (DREF DeeObject *)result;
 err:
 	return NULL;
@@ -3750,7 +5777,7 @@ DEFINE_INTERNAL_SEQ_OPERATOR(Dee_ssize_t, DefaultForeachWithSizeAndGetItemIndexF
 	return -1;
 }
 
-DEFINE_INTERNAL_SEQ_OPERATOR(Dee_ssize_t, DefaultForeachWithTryGetItemIndexAndSize,
+DEFINE_INTERNAL_SEQ_OPERATOR(Dee_ssize_t, DefaultForeachWithSizeAndTryGetItemIndex,
                              (DeeObject *RESTRICT_IF_NOTYPE self, Dee_foreach_t proc, void *arg)) {
 	Dee_ssize_t temp, result = 0;
 	size_t i, size;
@@ -3808,6 +5835,54 @@ DEFINE_INTERNAL_SEQ_OPERATOR(Dee_ssize_t, DefaultForeachWithSizeAndGetItemIndex,
 	return -1;
 }
 
+DEFINE_INTERNAL_SEQ_OPERATOR(Dee_ssize_t, DefaultForeachWithSizeObAndGetItem,
+                             (DeeObject *RESTRICT_IF_NOTYPE self, Dee_foreach_t proc, void *arg)) {
+	Dee_ssize_t temp, result = 0;
+	DREF DeeObject *i, *size;
+	LOAD_TP_SELF;
+	size = DeeType_INVOKE_SIZEOB_NODEFAULT(tp_self, self);
+	if unlikely(!size)
+		goto err;
+	i = DeeObject_NewDefault(Dee_TYPE(size));
+	if unlikely(!i)
+		goto err_size;
+	for (;;) {
+		DREF DeeObject *elem;
+		int cmp_status;
+		cmp_status = DeeObject_CompareLo(i, size);
+		if unlikely(cmp_status < 0)
+			goto err_size_i;
+		if (!cmp_status)
+			break;
+		elem = DeeType_INVOKE_GETITEM_NODEFAULT(tp_self, self, i);
+		if unlikely(!elem) {
+			if (DeeError_Catch(&DeeError_UnboundItem))
+				continue;
+			if (DeeError_Catch(&DeeError_IndexError))
+				break; /* In case the sequence's length got truncated since we checked above. */
+			goto err_size_i;
+		}
+		temp = (*proc)(arg, elem);
+		Dee_Decref(elem);
+		if unlikely(temp < 0) {
+			result = temp;
+			break;
+		}
+		result += temp;
+		if (DeeObject_Inc(&i))
+			goto err_size_i;
+	}
+	Dee_Decref(i);
+	Dee_Decref(size);
+	return result;
+err_size_i:
+	Dee_Decref(i);
+err_size:
+	Dee_Decref(size);
+err:
+	return -1;
+}
+
 DEFINE_INTERNAL_SEQ_OPERATOR(Dee_ssize_t, DefaultForeachWithSizeDefaultAndGetItemIndexDefault,
                              (DeeObject *RESTRICT_IF_NOTYPE self, Dee_foreach_t proc, void *arg)) {
 	Dee_ssize_t temp, result = 0;
@@ -4385,7 +6460,7 @@ DEFINE_INTERNAL_SEQ_OPERATOR(DREF DeeObject *, DefaultGetItemWithTryGetItemAndSi
 	return NULL;
 }
 
-DEFINE_INTERNAL_SEQ_OPERATOR(DREF DeeObject *, DefaultGetItemWithTryGetItemIndexAndSizeOb,
+DEFINE_INTERNAL_SEQ_OPERATOR(DREF DeeObject *, DefaultGetItemWithSizeAndTryGetItemIndexOb,
                              (DeeObject *self, DeeObject *index)) {
 	size_t index_value;
 	DREF DeeObject *result;
@@ -4416,7 +6491,7 @@ DEFINE_INTERNAL_SEQ_OPERATOR(DREF DeeObject *, DefaultGetItemWithTryGetItemIndex
 	return NULL;
 }
 
-DEFINE_INTERNAL_SEQ_OPERATOR(DREF DeeObject *, DefaultGetItemWithTryGetItemIndexAndSize,
+DEFINE_INTERNAL_SEQ_OPERATOR(DREF DeeObject *, DefaultGetItemWithSizeAndTryGetItemIndex,
                              (DeeObject *self, DeeObject *index)) {
 	size_t index_value;
 	DREF DeeObject *result;
@@ -4622,7 +6697,7 @@ default_getitem_index_with_foreach_cb(void *arg, DeeObject *elem) {
 #endif /* !DEFINE_TYPED_OPERATORS */
 
 
-DEFINE_INTERNAL_SEQ_OPERATOR(DREF DeeObject *, DefaultGetItemIndexWithTryGetItemIndexAndSize,
+DEFINE_INTERNAL_SEQ_OPERATOR(DREF DeeObject *, DefaultGetItemIndexWithSizeAndTryGetItemIndex,
                              (DeeObject *RESTRICT_IF_NOTYPE self, size_t index)) {
 	DREF DeeObject *result;
 	LOAD_TP_SELF;
@@ -4643,7 +6718,7 @@ DEFINE_INTERNAL_SEQ_OPERATOR(DREF DeeObject *, DefaultGetItemIndexWithTryGetItem
 	return NULL;
 }
 
-DEFINE_INTERNAL_SEQ_OPERATOR(DREF DeeObject *, DefaultGetItemIndexWithTryGetItemIndexAndSizeOb,
+DEFINE_INTERNAL_SEQ_OPERATOR(DREF DeeObject *, DefaultGetItemIndexWithSizeAndTryGetItemIndexOb,
                              (DeeObject *RESTRICT_IF_NOTYPE self, size_t index)) {
 	DREF DeeObject *result;
 	LOAD_TP_SELF;
@@ -6358,7 +8433,7 @@ DEFINE_INTERNAL_SEQ_OPERATOR(int, DefaultBoundItemWithTryGetItemAndSizeOb,
 	return -1;
 }
 
-DEFINE_INTERNAL_SEQ_OPERATOR(int, DefaultBoundItemWithTryGetItemIndexAndSize,
+DEFINE_INTERNAL_SEQ_OPERATOR(int, DefaultBoundItemWithSizeAndTryGetItemIndex,
                              (DeeObject *self, DeeObject *index)) {
 	DREF DeeObject *value;
 	size_t index_value;
@@ -6668,7 +8743,7 @@ DEFINE_INTERNAL_OPERATOR(int, DefaultBoundItemIndexWithTryGetItemAndHasItem,
 	return -1;
 }
 
-DEFINE_INTERNAL_SEQ_OPERATOR(int, DefaultBoundItemIndexWithTryGetItemIndexAndSize,
+DEFINE_INTERNAL_SEQ_OPERATOR(int, DefaultBoundItemIndexWithSizeAndTryGetItemIndex,
                              (DeeObject *RESTRICT_IF_NOTYPE self, size_t index)) {
 	DREF DeeObject *value;
 	LOAD_TP_SELF;
@@ -8518,7 +10593,7 @@ DEFINE_INTERNAL_SEQ_OPERATOR(DREF DeeObject *, DefaultGetRangeWithSizeDefaultAnd
 	result->dssgi_tp_getitem_index = tp_self->tp_seq->tp_trygetitem_index;
 	result->dssgi_start            = range.sr_start;
 	result->dssgi_end              = range.sr_end;
-	DeeObject_Init(result, &DefaultSequence_WithTryGetItemIndexAndSize_Type);
+	DeeObject_Init(result, &DefaultSequence_WithSizeAndTryGetItemIndex_Type);
 	return (DREF DeeObject *)result;
 	__builtin_unreachable();
 err:
@@ -10025,136 +12100,6 @@ DEFINE_MATH_INPLACE_INT_OPERATOR(DeeObject_InplaceXorUInt32, DeeObject_InplaceXo
 #endif /* !DEFINE_TYPED_OPERATORS */
 
 
-#ifndef DEFINE_TYPED_OPERATORS
-INTERN NONNULL((1)) bool DCALL
-DeeType_InheritHash(DeeTypeObject *__restrict self) {
-	struct type_cmp *base_cmp;
-	DeeTypeMRO mro;
-	DeeTypeObject *base;
-	base_cmp = self->tp_cmp;
-	if (base_cmp) {
-		if (base_cmp->tp_hash)
-			return true;
-		if (base_cmp->tp_eq) {
-			if (base_cmp->tp_ne == NULL)
-				base_cmp->tp_ne = &DeeObject_DefaultNeWithEq;
-			return false; /* Cannot inherit "operator hash" when "operator ==" is defined. */
-		} else if (base_cmp->tp_ne) {
-			if (base_cmp->tp_eq == NULL)
-				base_cmp->tp_eq = &DeeObject_DefaultEqWithNe;
-			return false; /* Cannot inherit "operator hash" when "operator !=" is defined. */
-		}
-	}
-
-	base = DeeTypeMRO_Init(&mro, self);
-	while ((base = DeeTypeMRO_NextDirectBase(&mro, base)) != NULL) {
-		base_cmp = base->tp_cmp;
-		if (base_cmp == NULL) {
-			if (!base_cmp->tp_hash) {
-				if (!DeeType_InheritHash(base))
-					continue;
-			} else {
-				if (base_cmp->tp_eq || base_cmp->tp_ne)
-					return false; /* Cannot inherit hash in this case */
-			}
-			base_cmp = base->tp_cmp;
-		}
-		ASSERT(base_cmp->tp_hash);
-		LOG_INHERIT(base, self, "operator hash");
-		if (self->tp_cmp) {
-			DeeTypeObject *origin = DeeType_GetCmpOrigin(self);
-			if unlikely(origin)
-				return DeeType_InheritHash(origin);
-			if (self->tp_cmp->tp_hash == NULL)
-				self->tp_cmp->tp_hash = base_cmp->tp_hash;
-			if (self->tp_cmp->tp_eq == NULL && base_cmp->tp_eq)
-				self->tp_cmp->tp_eq = base_cmp->tp_eq;
-			if (self->tp_cmp->tp_ne == NULL && base_cmp->tp_ne)
-				self->tp_cmp->tp_ne = base_cmp->tp_ne;
-		} else {
-			self->tp_cmp = base_cmp;
-		}
-		return true;
-	}
-	return false;
-}
-
-INTERN NONNULL((1)) bool DCALL
-DeeType_InheritCompare(DeeTypeObject *__restrict self) {
-	struct type_cmp *base_cmp;
-	DeeTypeMRO mro;
-	DeeTypeObject *base;
-	base_cmp = self->tp_cmp;
-	if (base_cmp) {
-		bool ok = false;
-		if (base_cmp->tp_eq) {
-			if (base_cmp->tp_ne == NULL)
-				base_cmp->tp_ne = &DeeObject_DefaultNeWithEq;
-			ok = true;
-		} else if (base_cmp->tp_ne) {
-			if (base_cmp->tp_eq == NULL)
-				base_cmp->tp_eq = &DeeObject_DefaultEqWithNe;
-			ok = true;
-		}
-		if (base_cmp->tp_lo) {
-			if (base_cmp->tp_ge == NULL)
-				base_cmp->tp_ge = &DeeObject_DefaultGeWithLo;
-			ok = true;
-		} else if (base_cmp->tp_ge) {
-			if (base_cmp->tp_lo == NULL)
-				base_cmp->tp_lo = &DeeObject_DefaultLoWithGe;
-			ok = true;
-		}
-		if (base_cmp->tp_le) {
-			if (base_cmp->tp_gr == NULL)
-				base_cmp->tp_gr = &DeeObject_DefaultGrWithLe;
-			ok = true;
-		} else if (base_cmp->tp_le) {
-			if (base_cmp->tp_gr == NULL)
-				base_cmp->tp_gr = &DeeObject_DefaultLeWithGr;
-			ok = true;
-		}
-		if (ok)
-			return true;
-	}
-
-	base = DeeTypeMRO_Init(&mro, self);
-	while ((base = DeeTypeMRO_NextDirectBase(&mro, base)) != NULL) {
-		base_cmp = base->tp_cmp;
-		if (base_cmp == NULL ||
-		    (!base_cmp->tp_eq && !base_cmp->tp_ne &&
-		     !base_cmp->tp_lo && !base_cmp->tp_le &&
-		     !base_cmp->tp_gr && !base_cmp->tp_ge)) {
-			if (!DeeType_InheritCompare(base))
-				continue;
-			base_cmp = base->tp_cmp;
-		}
-		LOG_INHERIT(base, self, "operator <compare>");
-		if (self->tp_cmp) {
-			DeeTypeObject *origin = DeeType_GetCmpOrigin(self);
-			if unlikely(origin)
-				return DeeType_InheritCompare(origin);
-			if (self->tp_cmp->tp_eq == NULL)
-				self->tp_cmp->tp_eq = base_cmp->tp_eq;
-			if (self->tp_cmp->tp_ne == NULL)
-				self->tp_cmp->tp_ne = base_cmp->tp_ne;
-			if (self->tp_cmp->tp_lo == NULL)
-				self->tp_cmp->tp_lo = base_cmp->tp_lo;
-			if (self->tp_cmp->tp_le == NULL)
-				self->tp_cmp->tp_le = base_cmp->tp_le;
-			if (self->tp_cmp->tp_gr == NULL)
-				self->tp_cmp->tp_gr = base_cmp->tp_gr;
-			if (self->tp_cmp->tp_ge == NULL)
-				self->tp_cmp->tp_ge = base_cmp->tp_ge;
-		} else {
-			self->tp_cmp = base_cmp;
-		}
-		return true;
-	}
-	return false;
-}
-#endif /* !DEFINE_TYPED_OPERATORS */
-
 #define DEFINE_OBJECT_COMPARE_OPERATOR(name, cmp, operator_name, invoke)          \
 	DEFINE_OPERATOR(DREF DeeObject *, name,                                       \
 	                (DeeObject *self, DeeObject *some_object)) {                  \
@@ -10243,10 +12188,10 @@ INTDEF WUNUSED NONNULL((1, 2)) DREF DeeObject *DCALL
 super_lo(DeeSuperObject *self, DeeObject *some_object);
 
 
-/* @return: == Dee_COMPARE_ERR: An error occurred.
- * @return: == -1: `lhs < rhs'
+/* @return: == -1: `lhs < rhs'
  * @return: == 0:  `lhs == rhs'
- * @return: == 1:  `lhs > rhs' */
+ * @return: == 1:  `lhs > rhs'
+ * @return: == Dee_COMPARE_ERR: An error occurred. */
 PUBLIC WUNUSED NONNULL((1, 2)) int DCALL
 DeeObject_Compare(DeeObject *lhs, DeeObject *rhs) {
 #if 1
@@ -10333,9 +12278,19 @@ DeeObject_Compare(DeeObject *lhs, DeeObject *rhs) {
 #endif
 }
 
+PUBLIC WUNUSED NONNULL((1, 2)) int DCALL
+DeeObject_CompareForEquality(DeeObject *lhs, DeeObject *rhs) {
+	int result = DeeObject_CompareNe(lhs, rhs);
+	if (result == -1)
+		result = Dee_COMPARE_ERR;
+	return result;
+}
+
 #endif /* !DEFINE_TYPED_OPERATORS */
 
+
 #ifndef DEFINE_TYPED_OPERATORS
+
 INTERN NONNULL((1)) bool DCALL
 DeeType_InheritIterNext(DeeTypeObject *__restrict self) {
 	DeeTypeMRO mro;
@@ -10352,6 +12307,125 @@ DeeType_InheritIterNext(DeeTypeObject *__restrict self) {
 	return false;
 }
 
+/* Try to substitute default compare operators. */
+PRIVATE NONNULL((1)) void DCALL
+DeeType_SubstituteDefaultCompareOperators(struct type_cmp *__restrict cmp) {
+	bool has_eq = cmp->tp_eq && !DeeType_IsDefaultEq(cmp->tp_eq);
+	bool has_ne = cmp->tp_ne && !DeeType_IsDefaultNe(cmp->tp_ne);
+	bool has_lo = cmp->tp_lo && !DeeType_IsDefaultLo(cmp->tp_lo);
+	bool has_le = cmp->tp_le && !DeeType_IsDefaultLe(cmp->tp_le);
+	bool has_gr = cmp->tp_gr && !DeeType_IsDefaultGr(cmp->tp_gr);
+	bool has_ge = cmp->tp_ge && !DeeType_IsDefaultGe(cmp->tp_ge);
+	bool has_compare_eq = cmp->tp_compare_eq && !DeeType_IsDefaultCompareEq(cmp->tp_compare_eq);
+	bool has_compare = cmp->tp_compare && !DeeType_IsDefaultCompare(cmp->tp_compare);
+
+	if (!cmp->tp_compare) {
+		if (has_eq && has_lo) {
+			cmp->tp_compare = &DeeObject_DefaultCompareWithEqAndLo;
+		} else if (has_eq && has_le) {
+			cmp->tp_compare = &DeeObject_DefaultCompareWithEqAndLe;
+		} else if (has_eq && has_gr) {
+			cmp->tp_compare = &DeeObject_DefaultCompareWithEqAndGr;
+		} else if (has_eq && has_ge) {
+			cmp->tp_compare = &DeeObject_DefaultCompareWithEqAndGe;
+		} else if (has_ne && has_lo) {
+			cmp->tp_compare = &DeeObject_DefaultCompareWithNeAndLo;
+		} else if (has_ne && has_le) {
+			cmp->tp_compare = &DeeObject_DefaultCompareWithNeAndLe;
+		} else if (has_ne && has_gr) {
+			cmp->tp_compare = &DeeObject_DefaultCompareWithNeAndGr;
+		} else if (has_ne && has_ge) {
+			cmp->tp_compare = &DeeObject_DefaultCompareWithNeAndGe;
+		} else if (has_lo && has_gr) {
+			cmp->tp_compare = &DeeObject_DefaultCompareWithLoAndGr;
+		} else if (has_le && has_ge) {
+			cmp->tp_compare = &DeeObject_DefaultCompareWithLeAndGe;
+		}
+	}
+
+	if (!cmp->tp_compare_eq) {
+		if (has_compare) {
+			cmp->tp_compare_eq = cmp->tp_compare;
+		} else if (has_eq) {
+			cmp->tp_compare_eq = &DeeObject_DefaultCompareEqWithEq;
+		} else if (has_ne) {
+			cmp->tp_compare_eq = &DeeObject_DefaultCompareEqWithNe;
+		} else if (has_lo && has_gr) {
+			cmp->tp_compare_eq = &DeeObject_DefaultCompareEqWithLoAndGr;
+		} else if (has_le && has_ge) {
+			cmp->tp_compare_eq = &DeeObject_DefaultCompareEqWithLeAndGe;
+		}
+	}
+
+	if (!cmp->tp_eq) {
+		if (has_compare_eq) {
+			cmp->tp_eq = &DeeObject_DefaultEqWithCompareEq;
+		} else if (has_ne) {
+			cmp->tp_eq = &DeeObject_DefaultEqWithNe;
+		} else if (has_lo && has_gr) {
+			cmp->tp_eq = &DeeObject_DefaultEqWithLoAndGr;
+		} else if (has_le && has_ge) {
+			cmp->tp_eq = &DeeObject_DefaultEqWithLeAndGe;
+		} else if (cmp->tp_compare_eq) {
+			cmp->tp_eq = &DeeObject_DefaultEqWithCompareEqDefault;
+		}
+	}
+
+	if (!cmp->tp_ne) {
+		if (has_compare_eq) {
+			cmp->tp_ne = &DeeObject_DefaultNeWithCompareEq;
+		} else if (has_eq) {
+			cmp->tp_ne = &DeeObject_DefaultNeWithEq;
+		} else if (has_lo && has_gr) {
+			cmp->tp_ne = &DeeObject_DefaultNeWithLoAndGr;
+		} else if (has_le && has_ge) {
+			cmp->tp_ne = &DeeObject_DefaultNeWithLeAndGe;
+		} else if (cmp->tp_compare_eq) {
+			cmp->tp_ne = &DeeObject_DefaultNeWithCompareEqDefault;
+		}
+	}
+
+	if (!cmp->tp_lo) {
+		if (has_compare) {
+			cmp->tp_lo = &DeeObject_DefaultLoWithCompare;
+		} else if (has_ge) {
+			cmp->tp_lo = &DeeObject_DefaultLoWithGe;
+		} else if (cmp->tp_compare) {
+			cmp->tp_lo = &DeeObject_DefaultLoWithCompareDefault;
+		}
+	}
+
+	if (!cmp->tp_le) {
+		if (has_compare) {
+			cmp->tp_le = &DeeObject_DefaultLeWithCompare;
+		} else if (has_gr) {
+			cmp->tp_le = &DeeObject_DefaultLeWithGr;
+		} else if (cmp->tp_compare) {
+			cmp->tp_le = &DeeObject_DefaultLeWithCompareDefault;
+		}
+	}
+
+	if (!cmp->tp_gr) {
+		if (has_compare) {
+			cmp->tp_gr = &DeeObject_DefaultGrWithCompare;
+		} else if (has_le) {
+			cmp->tp_gr = &DeeObject_DefaultGrWithLe;
+		} else if (cmp->tp_compare) {
+			cmp->tp_gr = &DeeObject_DefaultGrWithCompareDefault;
+		}
+	}
+
+	if (!cmp->tp_ge) {
+		if (has_compare) {
+			cmp->tp_ge = &DeeObject_DefaultGeWithCompare;
+		} else if (has_lo) {
+			cmp->tp_ge = &DeeObject_DefaultGeWithLo;
+		} else if (cmp->tp_compare) {
+			cmp->tp_ge = &DeeObject_DefaultGeWithCompareDefault;
+		}
+	}
+}
+
 /* Sequence feature flags. */
 enum seq_feature {
 	FEAT_tp_iter,
@@ -10518,7 +12592,7 @@ DeeSeqType_SubstituteDefaultOperators(DeeTypeObject *self, seq_featureset_t feat
 			seq->tp_iter = &DeeSeq_DefaultIterWithSizeAndGetItemIndexFast;
 		} else if (seq_featureset_test(features, FEAT_tp_size) &&
 		           seq_featureset_test(features, FEAT_tp_trygetitem_index) && seqclass == Dee_SEQCLASS_SEQ) {
-			seq->tp_iter = &DeeSeq_DefaultIterWithTryGetItemIndexAndSize;
+			seq->tp_iter = &DeeSeq_DefaultIterWithSizeAndTryGetItemIndex;
 		} else if (seq_featureset_test(features, FEAT_tp_size) &&
 		           seq_featureset_test(features, FEAT_tp_getitem_index) && seqclass == Dee_SEQCLASS_SEQ) {
 			seq->tp_iter = &DeeSeq_DefaultIterWithSizeAndGetItemIndex;
@@ -10538,6 +12612,28 @@ DeeSeqType_SubstituteDefaultOperators(DeeTypeObject *self, seq_featureset_t feat
 		}
 	}
 
+	/* tp_size */
+	if (!seq->tp_size) {
+		if (seq_featureset_test(features, FEAT_tp_sizeob)) {
+			seq->tp_size = &DeeObject_DefaultSizeWithSizeOb;
+		} else if (seq_featureset_test(features, FEAT_tp_foreach)) {
+			seq->tp_size = &DeeSeq_DefaultSizeWithForeach;
+		} else if (seq_featureset_test(features, FEAT_tp_foreach_pair)) {
+			seq->tp_size = &DeeSeq_DefaultSizeWithForeachPair;
+		} else if (seq_featureset_test(features, FEAT_tp_iter)) {
+			seq->tp_size = &DeeSeq_DefaultSizeWithIter;
+		}
+	}
+
+	/* tp_sizeob */
+	if (!seq->tp_sizeob) {
+		if (seq_featureset_test(features, FEAT_tp_size)) {
+			seq->tp_sizeob = &DeeObject_DefaultSizeObWithSize;
+		} else if (seq->tp_size) {
+			seq->tp_sizeob = &DeeObject_DefaultSizeObWithSizeDefault;
+		}
+	}
+
 	/* tp_foreach */
 	if (!seq->tp_foreach) {
 		if (seq_featureset_test(features, FEAT_tp_foreach_pair)) {
@@ -10546,13 +12642,16 @@ DeeSeqType_SubstituteDefaultOperators(DeeTypeObject *self, seq_featureset_t feat
 			seq->tp_foreach = &DeeSeq_DefaultForeachWithSizeAndGetItemIndexFast;
 		} else if (seq_featureset_test(features, FEAT_tp_size) &&
 		           seq_featureset_test(features, FEAT_tp_trygetitem_index) && seqclass == Dee_SEQCLASS_SEQ) {
-			seq->tp_foreach = &DeeSeq_DefaultForeachWithTryGetItemIndexAndSize;
+			seq->tp_foreach = &DeeSeq_DefaultForeachWithSizeAndTryGetItemIndex;
 		} else if (seq_featureset_test(features, FEAT_tp_size) &&
 		           seq_featureset_test(features, FEAT_tp_getitem_index) && seqclass == Dee_SEQCLASS_SEQ) {
 			seq->tp_foreach = &DeeSeq_DefaultForeachWithSizeAndGetItemIndex;
+		} else if (seq_featureset_test(features, FEAT_tp_sizeob) &&
+		           seq_featureset_test(features, FEAT_tp_getitem) && seqclass == Dee_SEQCLASS_SEQ) {
+			seq->tp_foreach = &DeeSeq_DefaultForeachWithSizeObAndGetItem;
 		} else if (seq_featureset_test(features, FEAT_tp_iter)) {
 			seq->tp_foreach = &DeeObject_DefaultForeachWithIter;
-		} else if ((seq_featureset_test(features, FEAT_tp_sizeob) || seq_featureset_test(features, FEAT_tp_size)) &&
+		} else if (seq->tp_size &&
 		           (seq_featureset_test(features, FEAT_tp_getitem) ||
 		            seq_featureset_test(features, FEAT_tp_getitem_index) ||
 		            seq_featureset_test(features, FEAT_tp_trygetitem)) &&
@@ -10565,28 +12664,6 @@ DeeSeqType_SubstituteDefaultOperators(DeeTypeObject *self, seq_featureset_t feat
 		}
 	}
 
-	/* tp_size */
-	if (!seq->tp_size) {
-		if (seq_featureset_test(features, FEAT_tp_sizeob)) {
-			seq->tp_size = &DeeObject_DefaultSizeWithSizeOb;
-		} else if (seq_featureset_test(features, FEAT_tp_foreach)) {
-			seq->tp_size = &DeeSeq_DefaultSizeWithForeach;
-		} else if (seq_featureset_test(features, FEAT_tp_foreach_pair)) {
-			seq->tp_size = &DeeSeq_DefaultSizeWithForeachPair;
-		} else if (seq_featureset_test(features, FEAT_tp_iter)) {
-			seq->tp_size = &DeeSeq_DefaultSizeWithIter;
-		}
-	}
-
-	/* tp_sizeob */
-	if (!seq->tp_sizeob) {
-		if (seq_featureset_test(features, FEAT_tp_size)) {
-			seq->tp_sizeob = &DeeObject_DefaultSizeObWithSize;
-		} else if (seq->tp_size) {
-			seq->tp_sizeob = &DeeObject_DefaultSizeObWithSizeDefault;
-		}
-	}
-
 	/* tp_contains (for maps) */
 	if (!seq->tp_contains && seqclass == Dee_SEQCLASS_MAP) {
 		if (seq_featureset_test(features, FEAT_tp_hasitem)) {
@@ -10640,10 +12717,10 @@ DeeSeqType_SubstituteDefaultOperators(DeeTypeObject *self, seq_featureset_t feat
 			seq->tp_getitem = &DeeSeq_DefaultGetItemWithTryGetItemAndSize;
 		} else if (seq_featureset_test(features, FEAT_tp_sizeob) &&
 		           seq_featureset_test(features, FEAT_tp_trygetitem_index) && seqclass == Dee_SEQCLASS_SEQ) {
-			       seq->tp_getitem = &DeeSeq_DefaultGetItemWithTryGetItemIndexAndSizeOb;
+			       seq->tp_getitem = &DeeSeq_DefaultGetItemWithSizeAndTryGetItemIndexOb;
 		} else if (seq_featureset_test(features, FEAT_tp_size) &&
 		           seq_featureset_test(features, FEAT_tp_trygetitem_index) && seqclass == Dee_SEQCLASS_SEQ) {
-			seq->tp_getitem = &DeeSeq_DefaultGetItemWithTryGetItemIndexAndSize;
+			seq->tp_getitem = &DeeSeq_DefaultGetItemWithSizeAndTryGetItemIndex;
 		} else if (seq_featureset_test(features, FEAT_tp_getitem_index)) {
 			seq->tp_getitem = &DeeObject_DefaultGetItemWithGetItemIndex;
 		} else if (seq_featureset_test(features, FEAT_tp_getitem_string_hash)) {
@@ -10671,10 +12748,10 @@ DeeSeqType_SubstituteDefaultOperators(DeeTypeObject *self, seq_featureset_t feat
 			seq->tp_getitem_index = &DeeObject_DefaultGetItemIndexWithSizeAndGetItemIndexFast;
 		} else if (seq_featureset_test(features, FEAT_tp_trygetitem_index) &&
 		           seq_featureset_test(features, FEAT_tp_size) && seqclass == Dee_SEQCLASS_SEQ) {
-			seq->tp_getitem_index = &DeeSeq_DefaultGetItemIndexWithTryGetItemIndexAndSize;
+			seq->tp_getitem_index = &DeeSeq_DefaultGetItemIndexWithSizeAndTryGetItemIndex;
 		} else if (seq_featureset_test(features, FEAT_tp_trygetitem_index) &&
 		           seq_featureset_test(features, FEAT_tp_sizeob) && seqclass == Dee_SEQCLASS_SEQ) {
-			seq->tp_getitem_index = &DeeSeq_DefaultGetItemIndexWithTryGetItemIndexAndSizeOb;
+			seq->tp_getitem_index = &DeeSeq_DefaultGetItemIndexWithSizeAndTryGetItemIndexOb;
 		} else if (seq_featureset_test(features, FEAT_tp_trygetitem) &&
 		           seq_featureset_test(features, FEAT_tp_size) && seqclass == Dee_SEQCLASS_SEQ) {
 			seq->tp_getitem_index = &DeeSeq_DefaultGetItemIndexWithTryGetItemAndSize;
@@ -10997,7 +13074,7 @@ DeeSeqType_SubstituteDefaultOperators(DeeTypeObject *self, seq_featureset_t feat
 		} else if (seq_featureset_test(features, FEAT_tp_trygetitem) && seq_featureset_test(features, FEAT_tp_hasitem)) {
 			seq->tp_bounditem_index = &DeeObject_DefaultBoundItemIndexWithTryGetItemAndHasItem;
 		} else if (seq_featureset_test(features, FEAT_tp_trygetitem_index) && seq_featureset_test(features, FEAT_tp_size) && seqclass == Dee_SEQCLASS_SEQ) {
-			seq->tp_bounditem_index = &DeeSeq_DefaultBoundItemIndexWithTryGetItemIndexAndSize;
+			seq->tp_bounditem_index = &DeeSeq_DefaultBoundItemIndexWithSizeAndTryGetItemIndex;
 		} else if (seq_featureset_test(features, FEAT_tp_trygetitem) && seq_featureset_test(features, FEAT_tp_sizeob) && seqclass == Dee_SEQCLASS_SEQ) {
 			seq->tp_bounditem_index = &DeeSeq_DefaultBoundItemIndexWithTryGetItemAndSizeOb;
 		} else if (seq_featureset_test(features, FEAT_tp_foreach_pair) && seqclass == Dee_SEQCLASS_MAP) {
@@ -11051,7 +13128,7 @@ DeeSeqType_SubstituteDefaultOperators(DeeTypeObject *self, seq_featureset_t feat
 		} else if (seq_featureset_test(features, FEAT_tp_trygetitem) && seq_featureset_test(features, FEAT_tp_sizeob) && seqclass == Dee_SEQCLASS_SEQ) {
 			seq->tp_bounditem = &DeeSeq_DefaultBoundItemWithTryGetItemAndSizeOb;
 		} else if (seq_featureset_test(features, FEAT_tp_trygetitem_index) && seq_featureset_test(features, FEAT_tp_size) && seqclass == Dee_SEQCLASS_SEQ) {
-			seq->tp_bounditem = &DeeSeq_DefaultBoundItemWithTryGetItemIndexAndSize;
+			seq->tp_bounditem = &DeeSeq_DefaultBoundItemWithSizeAndTryGetItemIndex;
 		} else if (seq_featureset_test(features, FEAT_tp_trygetitem)) {
 			seq->tp_bounditem = &DeeObject_DefaultBoundItemWithTryGetItem;
 		} else if (seq_featureset_test(features, FEAT_tp_trygetitem_index)) {
@@ -11506,8 +13583,208 @@ DeeSeqType_SubstituteDefaultOperators(DeeTypeObject *self, seq_featureset_t feat
 	/* tp_size_fast (simply set to return `(size_t)-1') */
 	if (!seq->tp_size_fast)
 		seq->tp_size_fast = &DeeObject_DefaultSizeFastWithErrorNotFast;
+
+	/* Fill in compare operators. */
+	if (self->tp_cmp) {
+		struct type_cmp *cmp = self->tp_cmp;
+		DeeType_SubstituteDefaultCompareOperators(cmp);
+		if (!cmp->tp_compare || !cmp->tp_compare_eq) {
+			switch (seqclass) {
+			case Dee_SEQCLASS_SEQ:
+				if (!cmp->tp_hash) {
+					if (seq_featureset_test(features, FEAT_tp_size) && seq->tp_getitem_index_fast) {
+						cmp->tp_hash = &DeeSeq_DefaultHashWithSizeAndGetItemIndexFast;
+					} else if (seq_featureset_test(features, FEAT_tp_foreach)) {
+						cmp->tp_hash = &DeeSeq_DefaultHashWithForeach;
+					} else if (seq_featureset_test(features, FEAT_tp_size) && seq_featureset_test(features, FEAT_tp_trygetitem_index)) {
+						cmp->tp_hash = &DeeSeq_DefaultHashWithSizeAndTryGetItemIndex;
+					} else if (seq_featureset_test(features, FEAT_tp_size) && seq_featureset_test(features, FEAT_tp_getitem_index)) {
+						cmp->tp_hash = &DeeSeq_DefaultHashWithSizeAndGetItemIndex;
+					} else if (seq_featureset_test(features, FEAT_tp_sizeob) && seq_featureset_test(features, FEAT_tp_getitem)) {
+						cmp->tp_hash = &DeeSeq_DefaultHashWithSizeObAndGetItem;
+					} else if (seq->tp_foreach) {
+						cmp->tp_hash = &DeeSeq_DefaultHashWithForeachDefault;
+					}
+				}
+				if (!cmp->tp_compare) {
+					if (seq_featureset_test(features, FEAT_tp_size) && seq->tp_getitem_index_fast) {
+						cmp->tp_compare = &DeeSeq_DefaultCompareWithSizeAndGetItemIndexFast;
+					} else if (seq_featureset_test(features, FEAT_tp_size) && seq_featureset_test(features, FEAT_tp_trygetitem_index)) {
+						cmp->tp_compare = &DeeSeq_DefaultCompareWithSizeAndTryGetItemIndex;
+					} else if (seq_featureset_test(features, FEAT_tp_size) && seq_featureset_test(features, FEAT_tp_getitem_index)) {
+						cmp->tp_compare = &DeeSeq_DefaultCompareWithSizeAndGetItemIndex;
+					} else if (seq_featureset_test(features, FEAT_tp_sizeob) && seq_featureset_test(features, FEAT_tp_getitem)) {
+						cmp->tp_compare = &DeeSeq_DefaultCompareWithSizeObAndGetItem;
+					} else if (seq->tp_foreach) {
+						cmp->tp_compare = &DeeSeq_DefaultCompareWithForeachDefault;
+					}
+				}
+				if (!cmp->tp_compare_eq) {
+					if (seq_featureset_test(features, FEAT_tp_size) && seq->tp_getitem_index_fast) {
+						cmp->tp_compare_eq = &DeeSeq_DefaultCompareEqWithSizeAndGetItemIndexFast;
+					} else if (seq_featureset_test(features, FEAT_tp_size) && seq_featureset_test(features, FEAT_tp_trygetitem_index)) {
+						cmp->tp_compare_eq = &DeeSeq_DefaultCompareEqWithSizeAndTryGetItemIndex;
+					} else if (seq_featureset_test(features, FEAT_tp_size) && seq_featureset_test(features, FEAT_tp_getitem_index)) {
+						cmp->tp_compare_eq = &DeeSeq_DefaultCompareEqWithSizeAndGetItemIndex;
+					} else if (seq_featureset_test(features, FEAT_tp_sizeob) && seq_featureset_test(features, FEAT_tp_getitem)) {
+						cmp->tp_compare_eq = &DeeSeq_DefaultCompareEqWithSizeObAndGetItem;
+					} else if (seq->tp_foreach) {
+						cmp->tp_compare_eq = &DeeSeq_DefaultCompareEqWithForeachDefault;
+					}
+				}
+				break;
+			case Dee_SEQCLASS_SET:
+				if (seq->tp_foreach) {
+					if (!cmp->tp_hash)
+						cmp->tp_hash = &DeeSet_DefaultHashWithForeachDefault;
+					if (!cmp->tp_compare_eq)
+						cmp->tp_compare_eq = &DeeSet_DefaultCompareEqWithForeachDefault;
+					if (!cmp->tp_lo)
+						cmp->tp_lo = &DeeSet_DefaultLoWithForeachDefault;
+					if (!cmp->tp_le)
+						cmp->tp_le = &DeeSet_DefaultLeWithForeachDefault;
+					if (!cmp->tp_gr)
+						cmp->tp_gr = &DeeSet_DefaultGrWithForeachDefault;
+					if (!cmp->tp_ge)
+						cmp->tp_ge = &DeeSet_DefaultGeWithForeachDefault;
+				}
+				break;
+			case Dee_SEQCLASS_MAP:
+				if (seq->tp_foreach_pair) {
+					if (!cmp->tp_hash)
+						cmp->tp_hash = &DeeMap_DefaultHashWithForeachPairDefault;
+					if (!cmp->tp_compare_eq)
+						cmp->tp_compare_eq = &DeeMap_DefaultCompareEqWithForeachPairDefault;
+					if (!cmp->tp_lo)
+						cmp->tp_lo = &DeeMap_DefaultLoWithForeachPairDefault;
+					if (!cmp->tp_le)
+						cmp->tp_le = &DeeMap_DefaultLeWithForeachPairDefault;
+					if (!cmp->tp_gr)
+						cmp->tp_gr = &DeeMap_DefaultGrWithForeachPairDefault;
+					if (!cmp->tp_ge)
+						cmp->tp_ge = &DeeMap_DefaultGeWithForeachPairDefault;
+				}
+				break;
+			default: __builtin_unreachable();
+			}
+			DeeType_SubstituteDefaultCompareOperators(cmp);
+		}
+	} else {
+		/* No user-provided compare operators -> use a default group. */
+
+		switch (seqclass) {
+		case Dee_SEQCLASS_SEQ:
+			if (seq_featureset_test(features, FEAT_tp_size) && seq->tp_getitem_index_fast) {
+				self->tp_cmp = &DeeSeq_DefaultCmpWithSizeAndGetItemIndexFast;
+			} else if (seq_featureset_test(features, FEAT_tp_size) && seq_featureset_test(features, FEAT_tp_trygetitem_index)) {
+				self->tp_cmp = &DeeSeq_DefaultCmpWithSizeAndTryGetItemIndex;
+			} else if (seq_featureset_test(features, FEAT_tp_size) && seq_featureset_test(features, FEAT_tp_getitem_index)) {
+				self->tp_cmp = &DeeSeq_DefaultCmpWithSizeAndGetItemIndex;
+			} else if (seq_featureset_test(features, FEAT_tp_sizeob) && seq_featureset_test(features, FEAT_tp_getitem)) {
+				self->tp_cmp = &DeeSeq_DefaultCmpWithSizeObAndGetItem;
+			} else if (seq->tp_foreach) {
+				self->tp_cmp = &DeeSeq_DefaultCmpWithForeachDefault;
+			}
+			break;
+		case Dee_SEQCLASS_SET:
+			if (seq->tp_foreach)
+				self->tp_cmp = &DeeSet_DefaultCmpWithForeachDefault;
+			break;
+		case Dee_SEQCLASS_MAP:
+			if (seq->tp_foreach_pair)
+				self->tp_cmp = &DeeMap_DefaultCmpWithForeachPairDefault;
+			break;
+		default: __builtin_unreachable();
+		}
+	}
 }
 
+#ifndef DEFINE_TYPED_OPERATORS
+INTERN struct type_cmp DeeSeq_DefaultCmpWithSizeAndGetItemIndexFast = {
+	/* .tp_hash       = */ &DeeSeq_DefaultHashWithSizeAndGetItemIndexFast,
+	/* .tp_eq         = */ &DeeObject_DefaultEqWithCompareEqDefault,
+	/* .tp_ne         = */ &DeeObject_DefaultNeWithCompareEqDefault,
+	/* .tp_lo         = */ &DeeObject_DefaultLoWithCompareDefault,
+	/* .tp_le         = */ &DeeObject_DefaultLeWithCompareDefault,
+	/* .tp_gr         = */ &DeeObject_DefaultGrWithCompareDefault,
+	/* .tp_ge         = */ &DeeObject_DefaultGeWithCompareDefault,
+	/* .tp_nii        = */ NULL,
+	/* .tp_compare_eq = */ &DeeSeq_DefaultCompareEqWithSizeAndGetItemIndexFast,
+	/* .tp_compare    = */ &DeeSeq_DefaultCompareWithSizeAndGetItemIndexFast,
+};
+INTERN struct type_cmp DeeSeq_DefaultCmpWithSizeAndTryGetItemIndex = {
+	/* .tp_hash       = */ &DeeSeq_DefaultHashWithSizeAndTryGetItemIndex,
+	/* .tp_eq         = */ &DeeObject_DefaultEqWithCompareEqDefault,
+	/* .tp_ne         = */ &DeeObject_DefaultNeWithCompareEqDefault,
+	/* .tp_lo         = */ &DeeObject_DefaultLoWithCompareDefault,
+	/* .tp_le         = */ &DeeObject_DefaultLeWithCompareDefault,
+	/* .tp_gr         = */ &DeeObject_DefaultGrWithCompareDefault,
+	/* .tp_ge         = */ &DeeObject_DefaultGeWithCompareDefault,
+	/* .tp_nii        = */ NULL,
+	/* .tp_compare_eq = */ &DeeSeq_DefaultCompareEqWithSizeAndTryGetItemIndex,
+	/* .tp_compare    = */ &DeeSeq_DefaultCompareWithSizeAndTryGetItemIndex,
+};
+INTERN struct type_cmp DeeSeq_DefaultCmpWithSizeAndGetItemIndex = {
+	/* .tp_hash       = */ &DeeSeq_DefaultHashWithSizeAndGetItemIndex,
+	/* .tp_eq         = */ &DeeObject_DefaultEqWithCompareEqDefault,
+	/* .tp_ne         = */ &DeeObject_DefaultNeWithCompareEqDefault,
+	/* .tp_lo         = */ &DeeObject_DefaultLoWithCompareDefault,
+	/* .tp_le         = */ &DeeObject_DefaultLeWithCompareDefault,
+	/* .tp_gr         = */ &DeeObject_DefaultGrWithCompareDefault,
+	/* .tp_ge         = */ &DeeObject_DefaultGeWithCompareDefault,
+	/* .tp_nii        = */ NULL,
+	/* .tp_compare_eq = */ &DeeSeq_DefaultCompareEqWithSizeAndGetItemIndex,
+	/* .tp_compare    = */ &DeeSeq_DefaultCompareWithSizeAndGetItemIndex,
+};
+INTERN struct type_cmp DeeSeq_DefaultCmpWithSizeObAndGetItem = {
+	/* .tp_hash       = */ &DeeSeq_DefaultHashWithSizeObAndGetItem,
+	/* .tp_eq         = */ &DeeObject_DefaultEqWithCompareEqDefault,
+	/* .tp_ne         = */ &DeeObject_DefaultNeWithCompareEqDefault,
+	/* .tp_lo         = */ &DeeObject_DefaultLoWithCompareDefault,
+	/* .tp_le         = */ &DeeObject_DefaultLeWithCompareDefault,
+	/* .tp_gr         = */ &DeeObject_DefaultGrWithCompareDefault,
+	/* .tp_ge         = */ &DeeObject_DefaultGeWithCompareDefault,
+	/* .tp_nii        = */ NULL,
+	/* .tp_compare_eq = */ &DeeSeq_DefaultCompareEqWithSizeObAndGetItem,
+	/* .tp_compare    = */ &DeeSeq_DefaultCompareWithSizeObAndGetItem,
+};
+INTERN struct type_cmp DeeSeq_DefaultCmpWithForeachDefault = {
+	/* .tp_hash       = */ &DeeSeq_DefaultHashWithForeachDefault,
+	/* .tp_eq         = */ &DeeObject_DefaultEqWithCompareEqDefault,
+	/* .tp_ne         = */ &DeeObject_DefaultNeWithCompareEqDefault,
+	/* .tp_lo         = */ &DeeObject_DefaultLoWithCompareDefault,
+	/* .tp_le         = */ &DeeObject_DefaultLeWithCompareDefault,
+	/* .tp_gr         = */ &DeeObject_DefaultGrWithCompareDefault,
+	/* .tp_ge         = */ &DeeObject_DefaultGeWithCompareDefault,
+	/* .tp_nii        = */ NULL,
+	/* .tp_compare_eq = */ &DeeSeq_DefaultCompareEqWithForeachDefault,
+	/* .tp_compare    = */ &DeeSeq_DefaultCompareWithForeachDefault,
+};
+INTERN struct type_cmp DeeSet_DefaultCmpWithForeachDefault = {
+	/* .tp_hash       = */ &DeeSet_DefaultHashWithForeachDefault,
+	/* .tp_eq         = */ &DeeObject_DefaultEqWithCompareEqDefault,
+	/* .tp_ne         = */ &DeeObject_DefaultNeWithCompareEqDefault,
+	/* .tp_lo         = */ &DeeObject_DefaultLoWithCompareDefault,
+	/* .tp_le         = */ &DeeObject_DefaultLeWithCompareDefault,
+	/* .tp_gr         = */ &DeeObject_DefaultGrWithCompareDefault,
+	/* .tp_ge         = */ &DeeObject_DefaultGeWithCompareDefault,
+	/* .tp_nii        = */ NULL,
+	/* .tp_compare_eq = */ &DeeSet_DefaultCompareEqWithForeachDefault,
+	/* .tp_compare    = */ NULL,
+};
+INTERN struct type_cmp DeeMap_DefaultCmpWithForeachPairDefault = {
+	/* .tp_hash       = */ &DeeMap_DefaultHashWithForeachPairDefault,
+	/* .tp_eq         = */ &DeeObject_DefaultEqWithCompareEqDefault,
+	/* .tp_ne         = */ &DeeObject_DefaultNeWithCompareEqDefault,
+	/* .tp_lo         = */ &DeeObject_DefaultLoWithCompareDefault,
+	/* .tp_le         = */ &DeeObject_DefaultLeWithCompareDefault,
+	/* .tp_gr         = */ &DeeObject_DefaultGrWithCompareDefault,
+	/* .tp_ge         = */ &DeeObject_DefaultGeWithCompareDefault,
+	/* .tp_nii        = */ NULL,
+	/* .tp_compare_eq = */ &DeeMap_DefaultCompareEqWithForeachPairDefault,
+	/* .tp_compare    = */ NULL,
+};
+#endif /* !DEFINE_TYPED_OPERATORS */
 
 /* Inherit OPERATOR_ITER, OPERATOR_SIZE and OPERTOR_GETITEM for
  * a type with `DeeType_GetSeqClass(self) == Dee_SEQCLASS_SEQ' */
@@ -11587,6 +13864,24 @@ DeeType_InheritSeqOperators(DeeTypeObject *__restrict self, unsigned int seqclas
 		} else {
 			self->tp_seq = base_seq;
 		}
+		if (self->tp_cmp && base->tp_cmp) {
+			DeeTypeObject *origin = DeeType_GetSeqOrigin(self);
+			if unlikely(origin) {
+				DeeType_InheritCompare(origin);
+			} else {
+				self->tp_cmp->tp_hash       = base->tp_cmp->tp_hash;
+				self->tp_cmp->tp_eq         = base->tp_cmp->tp_eq;
+				self->tp_cmp->tp_ne         = base->tp_cmp->tp_ne;
+				self->tp_cmp->tp_lo         = base->tp_cmp->tp_lo;
+				self->tp_cmp->tp_le         = base->tp_cmp->tp_le;
+				self->tp_cmp->tp_gr         = base->tp_cmp->tp_gr;
+				self->tp_cmp->tp_ge         = base->tp_cmp->tp_ge;
+				self->tp_cmp->tp_compare_eq = base->tp_cmp->tp_compare_eq;
+				self->tp_cmp->tp_compare    = base->tp_cmp->tp_compare;
+			}
+		} else {
+			self->tp_cmp = base->tp_cmp;
+		}
 		return true;
 	}
 	return false;
@@ -12681,8 +14976,69 @@ DeeType_InheritSetRange(DeeTypeObject *__restrict self) {
 	}
 	return false;
 }
+
+
+INTERN NONNULL((1)) bool DCALL
+DeeType_InheritCompare(DeeTypeObject *__restrict self) {
+	struct type_cmp *base_cmp;
+	DeeTypeMRO mro;
+	DeeTypeObject *base;
+
+	/* Special case when it's a sequence type. */
+	{
+		unsigned int seqclass = DeeType_GetSeqClass(self);
+		if (seqclass != Dee_SEQCLASS_NONE) {
+			return (DeeType_InheritSeqOperators(self, seqclass) &&
+			        self->tp_cmp && (self->tp_cmp->tp_compare_eq || self->tp_cmp->tp_hash));
+		}
+	}
+
+	base_cmp = self->tp_cmp;
+	if (base_cmp) {
+		DeeType_SubstituteDefaultCompareOperators(base_cmp);
+		if (base_cmp->tp_hash || base_cmp->tp_eq || base_cmp->tp_lo || base_cmp->tp_le)
+			return true;
+	}
+
+	base = DeeTypeMRO_Init(&mro, self);
+	while ((base = DeeTypeMRO_NextDirectBase(&mro, base)) != NULL) {
+		base_cmp = base->tp_cmp;
+		if (base_cmp == NULL ||
+		    (!base_cmp->tp_hash ||
+		     !base_cmp->tp_eq || !base_cmp->tp_ne ||
+		     !base_cmp->tp_lo || !base_cmp->tp_le ||
+		     !base_cmp->tp_gr || !base_cmp->tp_ge ||
+		     !base_cmp->tp_compare_eq || !base_cmp->tp_compare)) {
+			if (!DeeType_InheritCompare(base))
+				continue;
+			base_cmp = base->tp_cmp;
+		}
+		LOG_INHERIT(base, self, "operator <compare>");
+		if (self->tp_cmp) {
+			DeeTypeObject *origin = DeeType_GetCmpOrigin(self);
+			if unlikely(origin)
+				return DeeType_InheritCompare(origin);
+			self->tp_cmp->tp_hash       = base_cmp->tp_hash;
+			self->tp_cmp->tp_eq         = base_cmp->tp_eq;
+			self->tp_cmp->tp_ne         = base_cmp->tp_ne;
+			self->tp_cmp->tp_lo         = base_cmp->tp_lo;
+			self->tp_cmp->tp_le         = base_cmp->tp_le;
+			self->tp_cmp->tp_gr         = base_cmp->tp_gr;
+			self->tp_cmp->tp_ge         = base_cmp->tp_ge;
+			self->tp_cmp->tp_compare_eq = base_cmp->tp_compare_eq;
+			self->tp_cmp->tp_compare    = base_cmp->tp_compare;
+		} else {
+			self->tp_cmp = base_cmp;
+		}
+		return true;
+	}
+	return false;
+}
 #endif /* !DEFINE_TYPED_OPERATORS */
 
+
+
+
 DEFINE_OPERATOR(DREF DeeObject *, Iter, (DeeObject *RESTRICT_IF_NOTYPE self)) {
 	LOAD_TP_SELF;
 	if likely((tp_self->tp_seq && tp_self->tp_seq->tp_iter) ||
@@ -14686,10 +17042,10 @@ PUBLIC WUNUSED ATTR_OUTS(3, 2) NONNULL((1)) int
 
 
 /* Compare a pre-keyed `lhs_keyed' with `rhs' using the given (optional) `key' function
- * @return: == -2: An error occurred.
  * @return: == -1: `lhs_keyed < key(rhs)'
  * @return: == 0:  `lhs_keyed == key(rhs)'
- * @return: == 1:  `lhs_keyed > key(rhs)' */
+ * @return: == 1:  `lhs_keyed > key(rhs)'
+ * @return: == Dee_COMPARE_ERR: An error occurred. */
 PUBLIC WUNUSED NONNULL((1, 2)) int
 (DCALL DeeObject_CompareKey)(DeeObject *lhs_keyed,
                              DeeObject *rhs, /*nullable*/ DeeObject *key) {
@@ -14703,7 +17059,7 @@ PUBLIC WUNUSED NONNULL((1, 2)) int
 	Dee_Decref(rhs);
 	return result;
 err:
-	return -2;
+	return Dee_COMPARE_ERR;
 }
 
 
diff --git a/src/deemon/runtime/operator_info.c b/src/deemon/runtime/operator_info.c
index 742c917d6..90d13ceca 100644
--- a/src/deemon/runtime/operator_info.c
+++ b/src/deemon/runtime/operator_info.c
@@ -1293,7 +1293,8 @@ DeeType_InheritOperator(DeeTypeObject *__restrict self, Dee_operator_t name) {
 	case OPERATOR_INPLACE_POW:
 		return (self->tp_math && (self->tp_math->tp_pow || self->tp_math->tp_inplace_pow)) || DeeType_InheritPow(self);
 	case OPERATOR_HASH:
-		return (self->tp_cmp && self->tp_cmp->tp_hash) || DeeType_InheritHash(self);
+		return (self->tp_cmp && self->tp_cmp->tp_hash) ||
+		       (DeeType_InheritCompare(self) && self->tp_cmp->tp_hash);
 	case OPERATOR_EQ:
 	case OPERATOR_NE:
 		return (self->tp_cmp && self->tp_cmp->tp_eq) ||