diff options
| -rw-r--r-- | src/libcore/cell.rs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/libcore/cell.rs b/src/libcore/cell.rs index 6f91e743999..4a1d68efc99 100644 --- a/src/libcore/cell.rs +++ b/src/libcore/cell.rs @@ -1164,8 +1164,8 @@ impl<'a, T: ?Sized + fmt::Display> fmt::Display for RefMut<'a, T> { /// The compiler makes optimizations based on the knowledge that `&T` is not mutably aliased or /// mutated, and that `&mut T` is unique. When building abstractions like `Cell`, `RefCell`, /// `Mutex`, etc, you need to turn these optimizations off. `UnsafeCell` is the only legal way -/// to do this. When `UnsafeCell<T>` _itself_ is immutably aliased, it is still safe to obtain -/// a mutable reference to its _interior_ and/or to mutate the interior. However, it is up to +/// to do this. When `UnsafeCell<T>` itself is immutably aliased, it is still safe to obtain +/// a mutable reference to its interior and/or to mutate the interior. However, it is up to /// the abstraction designer to ensure that no two mutable references obtained this way are active /// at the same time, there are no active immutable reference when a mutable reference is obtained /// from the cell, and that there are no active mutable references or mutations when an immutable |