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Stabilize Box::leak #48110

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merged 2 commits into from
Feb 25, 2018
Merged

Stabilize Box::leak #48110

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467b5cf
stabilize (version: 1.26.0) Box::leak, cc #46179
Centril Feb 10, 2018
4861603
stabilize Box::leak: remove #![feature(box_leak)] in docs
Centril Feb 10, 2018
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7 changes: 1 addition & 6 deletions src/liballoc/boxed.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -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);
Expand All @@ -372,17 +370,14 @@ 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);
/// static_ref[0] = 4;
/// 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
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