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| author | Ingvar Stepanyan <me@rreverser.com> | 2019-02-21 23:02:34 +0000 |
|---|---|---|
| committer | Ingvar Stepanyan <me@rreverser.com> | 2019-02-21 23:02:34 +0000 |
| commit | 9f58c5fa7cf434dc6b19a961c4ec5a453e6dedcd (patch) | |
| tree | c24171896f043c983bf0cdfa7f19be9eef4caa15 /src/liballoc | |
| parent | 1349c84a4fa0fca9b866b2e859d28ee185ca0c1b (diff) | |
| download | rust-9f58c5fa7cf434dc6b19a961c4ec5a453e6dedcd.tar.gz rust-9f58c5fa7cf434dc6b19a961c4ec5a453e6dedcd.zip | |
Optimise vec![false; N] to zero-alloc
Nowadays booleans have a well-defined representation, so there is no reason not to optimise their allocation.
Diffstat (limited to 'src/liballoc')
| -rw-r--r-- | src/liballoc/vec.rs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/liballoc/vec.rs b/src/liballoc/vec.rs index a351d482fed..44042562a81 100644 --- a/src/liballoc/vec.rs +++ b/src/liballoc/vec.rs @@ -1606,6 +1606,7 @@ impl_is_zero!(u64, |x| x == 0); impl_is_zero!(u128, |x| x == 0); impl_is_zero!(usize, |x| x == 0); +impl_is_zero!(bool, |x| x == false); impl_is_zero!(char, |x| x == '\0'); impl_is_zero!(f32, |x: f32| x.to_bits() == 0); |