bjoernager/rust
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Don't allocate it IndexVec::remove

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Maybe Waffle 2023-04-17 13:37:03 +00:00
parent e1cd99f6ff
commit bd1dfcebe3
1 changed files with 1 additions and 1 deletions
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2
compiler/rustc_index/src/vec.rs
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@ -460,7 +460,7 @@ impl<I: Idx, T> IndexVec<I, Option<T>> {
#[inline] #[inline]
pub fn remove(&mut self, index: I) -> Option<T> { pub fn remove(&mut self, index: I) -> Option<T> {
self.ensure_contains_elem(index, || None).take() self.get_mut(index)?.take()
} }
} }