guarantee the memory layout of Cell

rust-lang · Jan 15, 2023 · f259a8a · f259a8a
1 parent ae4d89d
commit f259a8a
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/library/core/src/cell.rs b/library/core/src/cell.rs
@@ -209,6 +209,10 @@ pub use once::OnceCell;
 
 /// A mutable memory location.
 ///
+/// # Memory layout
+///
+/// `Cell<T>` shares the same memory layout and caveats as `UnsafeCell<T>`.
+///
 /// # Examples
 ///
 /// In this example, you can see that `Cell<T>` enables mutation inside an