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| author | Mike Hommey <mh@glandium.org> | 2018-04-02 10:44:38 +0900 |
|---|---|---|
| committer | Mike Hommey <mh@glandium.org> | 2018-04-02 10:44:38 +0900 |
| commit | 0df837f79289819f9b671b67d4e63dfe5c80d419 (patch) | |
| tree | b536348fec29fdb82d87081ec6f006609af76ecf /src/liballoc | |
| parent | cc939ac345091327b23f807b7d1f6a7c75c03f36 (diff) | |
| download | rust-0df837f79289819f9b671b67d4e63dfe5c80d419.tar.gz rust-0df837f79289819f9b671b67d4e63dfe5c80d419.zip | |
Add vec!['\0'; n] optimization, like vec![0; n]
Similarly to vec![ptr::null{,_mut}(); n] in previous change, this adds
the optimization for vec!['\0'; n].
Diffstat (limited to 'src/liballoc')
| -rw-r--r-- | src/liballoc/vec.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/liballoc/vec.rs b/src/liballoc/vec.rs index 512c74d9d77..515b79e5acd 100644 --- a/src/liballoc/vec.rs +++ b/src/liballoc/vec.rs @@ -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); |