diff options
| -rw-r--r-- | src/libcore/mem.rs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/libcore/mem.rs b/src/libcore/mem.rs index 3348e774a0b..4712df1fa7c 100644 --- a/src/libcore/mem.rs +++ b/src/libcore/mem.rs @@ -1117,11 +1117,14 @@ impl<T> MaybeUninit<T> { } /// Set the value of the `MaybeUninit`. This overwrites any previous value without dropping it. + /// For your convenience, this also returns a mutable reference to the (now + /// safely initialized) content of `self`. #[unstable(feature = "maybe_uninit", issue = "53491")] #[inline(always)] - pub fn set(&mut self, val: T) { + pub fn set(&mut self, val: T) -> &mut T { unsafe { self.value = ManuallyDrop::new(val); + self.get_mut() } } |