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Rollup merge of #122720 - heisen-li:offset_of, r=workingjubilee

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[doc]:fix error code example

fixs #122716
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Matthias Krüger 2024-03-19 18:03:53 +01:00 committed by GitHub
commit f7731243d9
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1 changed files with 3 additions and 3 deletions
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library/core/src/mem/mod.rs
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@ -1337,7 +1337,7 @@ impl<T> SizedTypeProperties for T {}
/// type B = Wrapper<u8, i8>;
///
/// // Not necessarily identical even though `u8` and `i8` have the same layout!
/// // assert!(mem::offset_of!(A, 1), mem::offset_of!(B, 1));
/// // assert_eq!(mem::offset_of!(A, 1), mem::offset_of!(B, 1));
///
/// #[repr(transparent)]
/// struct U8(u8);
@ -1345,12 +1345,12 @@ impl<T> SizedTypeProperties for T {}
/// type C = Wrapper<u8, U8>;
///
/// // Not necessarily identical even though `u8` and `U8` have the same layout!
/// // assert!(mem::offset_of!(A, 1), mem::offset_of!(C, 1));
/// // assert_eq!(mem::offset_of!(A, 1), mem::offset_of!(C, 1));
///
/// struct Empty<T>(core::marker::PhantomData<T>);
///
/// // Not necessarily identical even though `PhantomData` always has the same layout!
/// // assert!(mem::offset_of!(Empty<u8>, 0), mem::offset_of!(Empty<i8>, 0));
/// // assert_eq!(mem::offset_of!(Empty<u8>, 0), mem::offset_of!(Empty<i8>, 0));
/// ```
///
/// [explicit `repr` attribute]: https://doc.rust-lang.org/reference/type-layout.html#representations