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Rollup merge of #88722 - WaffleLapkin:unsafe_cell_const_get_mut, r=dtolnay

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Make `UnsafeCell::get_mut` const
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Guillaume Gomez 2021-09-13 21:20:39 +02:00 committed by GitHub
parent b3bb7868f8 2c30162380
commit 5eb77838ea
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1 changed files with 2 additions and 1 deletions
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library/core/src/cell.rs
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@ -1916,7 +1916,8 @@ impl<T: ?Sized> UnsafeCell<T> {
/// ```
#[inline(always)]
#[stable(feature = "unsafe_cell_get_mut", since = "1.50.0")]
pub fn get_mut(&mut self) -> &mut T {
#[rustc_const_unstable(feature = "const_unsafecell_get_mut", issue = "88836")]
pub const fn get_mut(&mut self) -> &mut T {
&mut self.value
}