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Rollup merge of #81048 - yoshuawuyts:stabilize-core-slice-fill-with, r=m-ou-se

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Stabilize `core::slice::fill_with`

_Tracking issue: https://github.com/rust-lang/rust/issues/79221_

This stabilizes the `slice_fill_with` feature for Rust 1.51, following the stabilization of `slice_fill` in 1.50. This was requested by libs team members in https://github.com/rust-lang/rust/pull/79213.

This PR also adds the "memset" alias for `slice::fill_with`, mirroring the alias set on the `slice::fill` sibling API. This will ensure someone looking for "memset" will find both variants.

r? `@Amanieu`
This commit is contained in:
Jonas Schievink 2021-01-31 01:47:29 +01:00 • committed by GitHub
commit 0793fab0c3
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5
library/core/src/slice/mod.rs
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@ -2852,13 +2852,12 @@ impl<T> [T] {
/// # Examples /// # Examples
/// ///
/// ``` /// ```
/// #![feature(slice_fill_with)]
///
/// let mut buf = vec![1; 10]; /// let mut buf = vec![1; 10];
/// buf.fill_with(Default::default); /// buf.fill_with(Default::default);
/// assert_eq!(buf, vec![0; 10]); /// assert_eq!(buf, vec![0; 10]);
/// ``` /// ```
#[unstable(feature = "slice_fill_with", issue = "79221")] #[doc(alias = "memset")]
#[stable(feature = "slice_fill_with", since = "1.51.0")]
pub fn fill_with<F>(&mut self, mut f: F) pub fn fill_with<F>(&mut self, mut f: F)
where where
F: FnMut() -> T, F: FnMut() -> T,