add "Memory layout" subsection to documentation of UnsafeCell for a…

…dditional clarity
rust-lang · Oct 27, 2022 · 166d8b8 · 166d8b8
1 parent 5673536
commit 166d8b8
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/library/core/src/cell.rs b/library/core/src/cell.rs
@@ -1816,6 +1816,8 @@ impl<T: ?Sized + fmt::Display> fmt::Display for RefMut<'_, T> {
 ///
 /// [`.get_mut()`]: `UnsafeCell::get_mut`
 ///
+/// # Memory layout
+///
 /// `UnsafeCell<T>` has the same in-memory representation as its inner type `T`. A consequence
 /// of this guarantee is that it is possible to convert between `T` and `UnsafeCell<T>`.
 /// Special care has to be taken when converting a nested `T` inside of an `Outer<T>` type