make sure to only export conditional aliases under the same condition…

…s where they are defined

crates/building_blocks_storage/src/lib.rs

@@ -40,19 +40,26 @@ pub mod prelude {
         copy_extent, Array, Array2, Array3, ArrayN, Chunk, Chunk2, Chunk3, ChunkHashMap2,
         ChunkHashMap3, ChunkIndexer, ChunkMap, ChunkMap2, ChunkMap3, ChunkMapBuilder,
         ChunkMapBuilder2, ChunkMapBuilder3, ChunkReadStorage, ChunkWriteStorage, Compressed,
-        CompressibleChunkMap, CompressibleChunkMap2, CompressibleChunkMap3,
-        CompressibleChunkMapReader, CompressibleChunkMapReader2, CompressibleChunkMapReader3,
-        CompressibleChunkStorage, CompressibleChunkStorage2, CompressibleChunkStorage3,
-        CompressibleChunkStorageReader, CompressibleChunkStorageReader2,
-        CompressibleChunkStorageReader3, Compression, FastArrayCompression, FastChunkCompression,
+        CompressibleChunkMap, CompressibleChunkMapReader, CompressibleChunkStorage,
+        CompressibleChunkStorageReader, Compression, FastArrayCompression, FastChunkCompression,
         ForEach, ForEachMut, Get, GetMut, IsEmpty, IterChunkKeys, Local, LocalChunkCache,
-        LocalChunkCache2, LocalChunkCache3, MaybeCompressedChunk2, MaybeCompressedChunk3,
-        MaybeCompressedChunkRef2, MaybeCompressedChunkRef3, OctreeSet, ReadExtent,
-        SerializableChunkMap, Stride, TransformMap, WriteExtent,
+        LocalChunkCache2, LocalChunkCache3, OctreeSet, ReadExtent, SerializableChunkMap, Stride,
+        TransformMap, WriteExtent,
     };
 
     #[cfg(feature = "lz4")]
     pub use super::Lz4;
     #[cfg(feature = "snap")]
     pub use super::Snappy;
+
+    #[cfg(any(
+        all(feature = "lz4", not(feature = "snap")),
+        all(not(feature = "lz4"), feature = "snap"),
+    ))]
+    pub use super::{
+        CompressibleChunkMap2, CompressibleChunkMap3, CompressibleChunkMapReader2,
+        CompressibleChunkMapReader3, CompressibleChunkStorage2, CompressibleChunkStorage3,
+        CompressibleChunkStorageReader2, CompressibleChunkStorageReader3, MaybeCompressedChunk2,
+        MaybeCompressedChunk3, MaybeCompressedChunkRef2, MaybeCompressedChunkRef3,
+    };
 }