bjoernager/rust
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Add vec!['\0'; n] optimization, like vec![0; n]

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Similarly to vec![ptr::null{,_mut}(); n] in previous change, this adds
the optimization for vec!['\0'; n].
This commit is contained in:
Mike Hommey 2018-04-02 10:44:38 +09:00
parent cc939ac345
commit 0df837f792
1 changed files with 2 additions and 0 deletions
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2
src/liballoc/vec.rs
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@ -1611,6 +1611,8 @@ impl_is_zero!(u64, |x| x == 0);
impl_is_zero!(u128, |x| x == 0);
impl_is_zero!(usize, |x| x == 0);
impl_is_zero!(char, |x| x == '\0');
impl_is_zero!(f32, |x: f32| x.to_bits() == 0);
impl_is_zero!(f64, |x: f64| x.to_bits() == 0);