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Fix clippy warning related to IString PartialOrd implementation #35

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merged 1 commit into from
Oct 22, 2023

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ColonelThirtyTwo
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@kirillsemyonkin
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Please provide description of why is this needed. I'm being more curious than strict, as to why it passed before and why it needs to be written out like this now.

@ColonelThirtyTwo
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ColonelThirtyTwo commented Oct 22, 2023

Please provide description of why is this needed. I'm being more curious than strict, as to why it passed before and why it needs to be written out like this now.

As can be seen in the CI failures for my other PRs, the version of clippy included in Rust 1.73.0 issues a new lint for PartialOrd not using the Ord implementaiton, which is true of IString.

> cargo clippy
    Checking implicit-clone v0.4.1 (/home/col/Projects/Code/Libraries/implicit-clone)
error: incorrect implementation of `partial_cmp` on an `Ord` type
   --> src/string.rs:103:9
    |
103 | /          impl $trait<$type2> for $type1 {
104 | |              fn $fn(&self, other: &$type2) -> $ret {
    | | ___________________________________________________-
105 | ||                 $trait::$fn(AsRef::<str>::as_ref(self), AsRef::<str>::as_ref(other))
106 | ||             }
    | ||_____________- help: change this to: `{ Some(self.cmp(other)) }`
107 | |          }
    | |__________^
...
129 |    impl_cmp_as_str!(PartialOrd::<IString, IString>);
    |    ------------------------------------------------ in this macro invocation
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#incorrect_partial_ord_impl_on_ord_type
    = note: `#[deny(clippy::incorrect_partial_ord_impl_on_ord_type)]` on by default
    = note: this error originates in the macro `impl_cmp_as_str` (in Nightly builds, run with -Z macro-backtrace for more info)

error: incorrect implementation of `partial_cmp` on an `Ord` type
   --> src/string.rs:103:9
    |
103 | /          impl $trait<$type2> for $type1 {
104 | |              fn $fn(&self, other: &$type2) -> $ret {
    | | ___________________________________________________-
105 | ||                 $trait::$fn(AsRef::<str>::as_ref(self), AsRef::<str>::as_ref(other))
106 | ||             }
    | ||_____________- help: change this to: `{ Some(self.cmp(other)) }`
107 | |          }
    | |__________^
...
129 |    impl_cmp_as_str!(PartialOrd::<IString, IString>);
    |    ------------------------------------------------ in this macro invocation
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#incorrect_partial_ord_impl_on_ord_type
    = note: this error originates in the macro `impl_cmp_as_str` (in Nightly builds, run with -Z macro-backtrace for more info)

error: could not compile `implicit-clone` (lib) due to 2 previous errors

@kirillsemyonkin kirillsemyonkin merged commit 238d464 into yewstack:main Oct 22, 2023
12 checks passed
cecton pushed a commit to cecton/implicit-clone that referenced this pull request Nov 28, 2023
…tack#35)

Clippy added a new lint `clippy::non_canonical_partial_ord_impl` (aka `incorrect_partial_ord_impl_on_ord_type`), hence it should now be followed.
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