bjoernager/rust
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Make Vec::leak a method instead of an associated function.

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The reason for `Box::leak` not to be a method (`Deref` to an arbitrary `T`
which might have its own, different `leak` method) does not apply.
This commit is contained in:
Simon Sapin 2020-07-21 23:06:23 +02:00
parent 10c375700c
commit d8bcf75206
1 changed files with 3 additions and 3 deletions
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6
library/alloc/src/vec.rs
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@ -1513,17 +1513,17 @@ impl<T> Vec<T> {
/// #![feature(vec_leak)] /// #![feature(vec_leak)]
/// ///
/// let x = vec![1, 2, 3]; /// let x = vec![1, 2, 3];
/// let static_ref: &'static mut [usize] = Vec::leak(x); /// let static_ref: &'static mut [usize] = x.leak();
/// static_ref[0] += 1; /// static_ref[0] += 1;
/// assert_eq!(static_ref, &[2, 2, 3]); /// assert_eq!(static_ref, &[2, 2, 3]);
/// ``` /// ```
#[unstable(feature = "vec_leak", issue = "62195")] #[unstable(feature = "vec_leak", issue = "62195")]
#[inline] #[inline]
pub fn leak<'a>(vec: Vec<T>) -> &'a mut [T] pub fn leak<'a>(self) -> &'a mut [T]
where where
T: 'a, // Technically not needed, but kept to be explicit. T: 'a, // Technically not needed, but kept to be explicit.
{ {
Box::leak(vec.into_boxed_slice()) Box::leak(self.into_boxed_slice())
} }
} }