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Rollup merge of #48110 - Centril:stabilize/box_leak, r=alexcrichton

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Stabilize Box::leak

Stabilizes the following:
+ `Box::leak` (`box_leak`, in nightly since 2017-11-23)

cc #46179

 r? @rust-lang/libs
This commit is contained in:
Manish Goregaokar 2018-02-24 15:52:04 -08:00 committed by GitHub
commit dd890d80a0
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1 changed files with 1 additions and 6 deletions
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7
src/liballoc/boxed.rs
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@ -359,8 +359,6 @@ impl<T: ?Sized> Box<T> {
/// Simple usage:
///
/// ```
/// #![feature(box_leak)]
///
/// fn main() {
/// let x = Box::new(41);
/// let static_ref: &'static mut usize = Box::leak(x);
@ -372,8 +370,6 @@ impl<T: ?Sized> Box<T> {
/// Unsized data:
///
/// ```
/// #![feature(box_leak)]
///
/// fn main() {
/// let x = vec![1, 2, 3].into_boxed_slice();
/// let static_ref = Box::leak(x);
@ -381,8 +377,7 @@ impl<T: ?Sized> Box<T> {
/// assert_eq!(*static_ref, [4, 2, 3]);
/// }
/// ```
#[unstable(feature = "box_leak", reason = "needs an FCP to stabilize",
issue = "46179")]
#[stable(feature = "box_leak", since = "1.26.0")]
#[inline]
pub fn leak<'a>(b: Box<T>) -> &'a mut T
where