diff options
Diffstat (limited to 'src/liballoc')
| -rw-r--r-- | src/liballoc/boxed.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/liballoc/boxed.rs b/src/liballoc/boxed.rs index fb16bdf0ab4..8a65843b50d 100644 --- a/src/liballoc/boxed.rs +++ b/src/liballoc/boxed.rs @@ -194,7 +194,9 @@ impl<T: ?Sized> Box<T> { } /// Consumes and leaks the `Box`, returning a mutable reference, - /// `&'a mut T`. Here, the lifetime `'a` may be chosen to be `'static`. + /// `&'a mut T`. Note that the type `T` must outlive the chosen lifetime + /// `'a`. If the type has only static references, or none at all, then this + /// may be chosen to be `'static`. /// /// This function is mainly useful for data that lives for the remainder of /// the program's life. Dropping the returned reference will cause a memory |