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remove unnecessary drop

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zhiqiangxu 2023-11-16 00:01:57 +08:00 committed by GitHub
parent 1500db7314
commit a355df4432
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1 changed files with 1 additions and 2 deletions
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3
library/core/src/cell.rs
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@ -409,8 +409,7 @@ impl<T> Cell<T> {
#[inline]
#[stable(feature = "rust1", since = "1.0.0")]
pub fn set(&self, val: T) {
let old = self.replace(val);
drop(old);
self.replace(val);
}
/// Swaps the values of two `Cell`s.