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Add documentation about the memory layout of UnsafeCell<T> #101717

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Merged
merged 4 commits into from
Oct 16, 2022
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Merged

Add documentation about the memory layout of UnsafeCell<T> #101717

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302e33f
add description of the memory layout for `UnsafeCell<T>`
Pointerbender Sep 12, 2022
13bc099
expand documentation on type conversion w.r.t. `UnsafeCell`
Pointerbender Sep 14, 2022
9c37c80
expand documentation on type conversion w.r.t. `UnsafeCell`
Pointerbender Oct 9, 2022
ddd119b
expand documentation on type conversion w.r.t. `UnsafeCell`
Pointerbender Oct 12, 2022
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2 changes: 2 additions & 0 deletions library/core/src/cell.rs
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Expand Up @@ -1811,6 +1811,8 @@ impl<T: ?Sized + fmt::Display> fmt::Display for RefMut<'_, T> {
///
/// [`.get_mut()`]: `UnsafeCell::get_mut`
///
/// `UnsafeCell<T>` has the same in-memory representation as its inner type `T`.
///
/// # Examples
///
/// Here is an example showcasing how to soundly mutate the contents of an `UnsafeCell<_>` despite
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