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Rollup merge of #78735 - danielhenrymantilla:simplify-unsafecell-getmut, r=RalfJung

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Simplify the implementation of `get_mut` (no unsafe)

Quick PR to reduce one use of `unsafe` pointed out in the previous PR

r? ````@RalfJung````
This commit is contained in:
Mara Bos
2020-11-05 10:29:54 +01:00
committed by GitHub
parent 8640360870 69e5729c58
commit 29fad213b2
1 changed files with 1 additions and 2 deletions
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library/core/src/cell.rs
+1 -2
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@@ -1733,8 +1733,7 @@ pub const fn get(&self) -> *mut 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.