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Document NonZeroXxx layout guarantees #94786

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Merged
merged 5 commits into from
Apr 5, 2023
Merged

Document NonZeroXxx layout guarantees #94786

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b142720
Document NonZeroXxx layout guarantees
joshlf Mar 9, 2022
7f88cd2
Add missing closing parenthesis
joshlf Mar 9, 2022
7d4e9b3
Update library/core/src/num/nonzero.rs
joshlf Oct 5, 2022
8323d6a
Fix typo (missing `>`)
joshlf Oct 5, 2022
9a3346b
Add missing trailing `)]`
joshlf Oct 5, 2022
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5 changes: 5 additions & 0 deletions library/core/src/num/nonzero.rs
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Expand Up @@ -34,6 +34,11 @@ macro_rules! nonzero_integers {
/// use std::mem::size_of;
#[doc = concat!("assert_eq!(size_of::<Option<core::num::", stringify!($Ty), ">>(), size_of::<", stringify!($Int), ">());")]
/// ```
///
/// # Layout
///
#[doc = concat!("`", stringify!($Ty), "` is guaranteed to have the same layout and bit validity as `", stringify!($Int), "`")]
/// with the exception that `0` is not a valid instance.
#[$stability]
#[derive(Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
#[repr(transparent)]
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