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Update new usage of assert_len

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This commit is contained in:
dylni 2021-02-12 22:03:39 -05:00
parent 5d519eaa6e
commit fe4fe19ddc
1 changed files with 2 additions and 2 deletions
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4
library/alloc/src/vec/mod.rs
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@ -2036,11 +2036,11 @@ impl<T: Clone, A: Allocator> Vec<T, A> {
where where
R: RangeBounds<usize>, R: RangeBounds<usize>,
{ {
let range = src.assert_len(self.len()); let range = slice::range(src, ..self.len());
self.reserve(range.len()); self.reserve(range.len());
// SAFETY: // SAFETY:
// - `assert_len` guarantees that the given range is valid for indexing self // - `slice::range` guarantees that the given range is valid for indexing self
unsafe { unsafe {
self.spec_extend_from_within(range); self.spec_extend_from_within(range);
} }