bors 8841bee954 Auto merge of #103556 - clubby789:specialize-option-partial-eq, r=scottmcm ... Manually implement PartialEq for Option<T> and specialize non-nullable types This PR manually implements `PartialEq` and `StructuralPartialEq` for `Option`, which seems to produce slightly better codegen than the automatically derived implementation. It also allows specializing on the `core::num::NonZero*` and `core::ptr::NonNull` types, taking advantage of the niche optimization by transmuting the `Option<T>` to `T` to be compared directly, which can be done in just two instructions. A comparison of the original, new and specialized code generation is available [here](https://godbolt.org/z/dE4jxdYsa).		2022-11-26 08:56:20 +00:00
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src	Auto merge of #103556 - clubby789:specialize-option-partial-eq, r=scottmcm	2022-11-26 08:56:20 +00:00
Cargo.toml