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Rollup merge of #87910 - iago-lito:mark_unsafe_nonzero_arithmetics_as_const, r=joshtriplett

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Mark unsafe methods NonZero*::unchecked_(add|mul) as const.

Now that https://github.com/rust-lang/rfcs/pull/3016 has landed, these two unstable `std` function can be marked `const`, according to this detail of #84186.
This commit is contained in:
Manish Goregaokar 2021-10-03 23:13:17 -07:00 committed by GitHub
commit e500f1c1e9
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1 changed files with 2 additions and 2 deletions
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library/core/src/num/nonzero.rs
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@ -379,7 +379,7 @@ macro_rules! nonzero_unsigned_operations {
/// ```
#[unstable(feature = "nonzero_ops", issue = "84186")]
#[inline]
pub unsafe fn unchecked_add(self, other: $Int) -> $Ty {
pub const unsafe fn unchecked_add(self, other: $Int) -> $Ty {
// SAFETY: The caller ensures there is no overflow.
unsafe { $Ty::new_unchecked(self.get().unchecked_add(other)) }
}
@ -750,7 +750,7 @@ macro_rules! nonzero_unsigned_signed_operations {
/// ```
#[unstable(feature = "nonzero_ops", issue = "84186")]
#[inline]
pub unsafe fn unchecked_mul(self, other: $Ty) -> $Ty {
pub const unsafe fn unchecked_mul(self, other: $Ty) -> $Ty {
// SAFETY: The caller ensures there is no overflow.
unsafe { $Ty::new_unchecked(self.get().unchecked_mul(other.get())) }
}