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Slightly change wording in doc comment and fix typo in vec/mod.rs #84294

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Apr 19, 2021
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Slightly change wording in doc comment and fix typo in vec/mod.rs #84294

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4 changes: 2 additions & 2 deletions library/alloc/src/vec/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2041,7 +2041,7 @@ impl<T, A: Allocator> Vec<T, A> {

/// Safety: changing returned .2 (&mut usize) is considered the same as calling `.set_len(_)`.
///
/// This method is used to have unique access to all vec parts at once in `extend_from_within`.
/// This method provides unique access to all vec parts at once in `extend_from_within`.
unsafe fn split_at_spare_mut_with_len(
&mut self,
) -> (&mut [T], &mut [MaybeUninit<T>], &mut usize) {
Expand Down Expand Up @@ -2279,7 +2279,7 @@ impl<T: Clone, A: Allocator> ExtendFromWithinSpec for Vec<T, A> {
iter::zip(to_clone, spare)
.map(|(src, dst)| dst.write(src.clone()))
// Note:
// - Element was just initialized with `MaybeUninit::write`, so it's ok to increace len
// - Element was just initialized with `MaybeUninit::write`, so it's ok to increase len
// - len is increased after each element to prevent leaks (see issue #82533)
.for_each(|_| *len += 1);
}
Expand Down