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Bump stable version of arc_mutate_strong_count

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Mara Bos 2021-01-30 21:08:30 +01:00 • committed by GitHub
parent a55039df84
commit fe4ac95cb8
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1 changed files with 2 additions and 2 deletions
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4
library/alloc/src/sync.rs
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@ -885,7 +885,7 @@ impl<T: ?Sized> Arc<T> {
/// }
/// ```
#[inline]
#[stable(feature = "arc_mutate_strong_count", since = "1.50.0")]
#[stable(feature = "arc_mutate_strong_count", since = "1.51.0")]
pub unsafe fn increment_strong_count(ptr: *const T) {
// Retain Arc, but don't touch refcount by wrapping in ManuallyDrop
let arc = unsafe { mem::ManuallyDrop::new(Arc::<T>::from_raw(ptr)) };
@ -924,7 +924,7 @@ impl<T: ?Sized> Arc<T> {
/// }
/// ```
#[inline]
#[stable(feature = "arc_mutate_strong_count", since = "1.50.0")]
#[stable(feature = "arc_mutate_strong_count", since = "1.51.0")]
pub unsafe fn decrement_strong_count(ptr: *const T) {
unsafe { mem::drop(Arc::from_raw(ptr)) };
}