diff options
Diffstat (limited to 'library/core/src/array')
| -rw-r--r-- | library/core/src/array/equality.rs | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/library/core/src/array/equality.rs b/library/core/src/array/equality.rs index 33f7f494e9d..a85f13a4b9e 100644 --- a/library/core/src/array/equality.rs +++ b/library/core/src/array/equality.rs @@ -173,13 +173,14 @@ macro_rules! is_raw_eq_comparable { )+}; } -// SAFETY: All the ordinary integer types allow all bit patterns as distinct values +// SAFETY: All the ordinary integer types have no padding, and are no poointers. is_raw_eq_comparable!(u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize); -// SAFETY: bool and char have *niches*, but no *padding*, so this is sound +// SAFETY: bool and char have *niches*, but no *padding* (and these are not pointer types), so this +// is sound is_raw_eq_comparable!(bool, char); -// SAFETY: Similarly, the non-zero types have a niche, but no undef, +// SAFETY: Similarly, the non-zero types have a niche, but no undef and no pointers, // and they compare like their underlying numeric type. is_raw_eq_comparable!( NonZeroU8, |