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Simplify the implementation of get_mut (no unsafe)

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This commit is contained in:
Daniel Henry-Mantilla 2020-11-04 14:54:22 +01:00
parent 56293097f7
commit 69e5729c58
1 changed files with 1 additions and 2 deletions
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3
library/core/src/cell.rs
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@ -1733,8 +1733,7 @@ impl<T: ?Sized> UnsafeCell<T> {
#[inline]
#[unstable(feature = "unsafe_cell_get_mut", issue = "76943")]
pub fn get_mut(&mut self) -> &mut T {
// SAFETY: (outer) `&mut` guarantees unique access.
unsafe { &mut *self.get() }
&mut self.value
}
/// Gets a mutable pointer to the wrapped value.