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Rollup merge of #90480 - r00ster91:remove, r=kennytm

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Mention `Vec::remove` in `Vec::swap_remove`'s docs

Thought this was a nice addition.
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Yuki Okushi 2021-11-19 02:22:56 +09:00 committed by GitHub
commit 3e97d9bd97
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library/alloc/src/vec/mod.rs
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@ -1272,6 +1272,9 @@ impl<T, A: Allocator> Vec<T, A> {
/// The removed element is replaced by the last element of the vector.
///
/// This does not preserve ordering, but is *O*(1).
/// If you need to preserve the element order, use [`remove`] instead.
///
/// [`remove`]: Vec::remove
///
/// # Panics
///
@ -1368,7 +1371,7 @@ impl<T, A: Allocator> Vec<T, A> {
/// shifting all elements after it to the left.
///
/// Note: Because this shifts over the remaining elements, it has a
/// worst-case performance of O(n). If you don't need the order of elements
/// worst-case performance of *O*(*n*). If you don't need the order of elements
/// to be preserved, use [`swap_remove`] instead.
///
/// [`swap_remove`]: Vec::swap_remove