diff options
| -rw-r--r-- | library/alloc/src/boxed.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/library/alloc/src/boxed.rs b/library/alloc/src/boxed.rs index e87303749b4..354efdefc21 100644 --- a/library/alloc/src/boxed.rs +++ b/library/alloc/src/boxed.rs @@ -509,6 +509,23 @@ impl<T, A: Allocator> Box<T, A> { let (raw, alloc) = Box::into_raw_with_allocator(boxed); unsafe { Box::from_raw_in(raw as *mut [T; 1], alloc) } } + + /// Consumes the `Box`, returning the wrapped value. + /// + /// # Examples + /// + /// ``` + /// #![feature(box_into_inner)] + /// + /// let c = Box::new(5); + /// + /// assert_eq!(Box::into_inner(c), 5); + /// ``` + #[unstable(feature = "box_into_inner", issue = "80437")] + #[inline] + pub fn into_inner(boxed: Self) -> T { + *boxed + } } impl<T> Box<[T]> { |