Rollup merge of #92264 - Shadlock0133:patch-1, r=the8472

Remove `maybe_uninit_extra` feature from Vec docs

In `Vec`, two doc tests are using `MaybeUninit::write` , stabilized in 1.55. This makes docs' usage of `maybe_uninit_extra` feature unnecessary.
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Matthias Krüger 2021-12-27 21:42:28 +01:00 committed by GitHub
commit 4d8ba2193f
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@ -2043,7 +2043,7 @@ impl<T, A: Allocator> Vec<T, A> {
/// # Examples
///
/// ```
/// #![feature(vec_spare_capacity, maybe_uninit_extra)]
/// #![feature(vec_spare_capacity)]
///
/// // Allocate vector big enough for 10 elements.
/// let mut v = Vec::with_capacity(10);
@ -2102,7 +2102,7 @@ impl<T, A: Allocator> Vec<T, A> {
/// # Examples
///
/// ```
/// #![feature(vec_split_at_spare, maybe_uninit_extra)]
/// #![feature(vec_split_at_spare)]
///
/// let mut v = vec![1, 1, 2];
///