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add a TotalOrd impl for the unit type

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This commit is contained in:
Daniel Micay 2013-03-08 20:05:20 -05:00
parent eaed16cea6
commit 80c71c839a
1 changed files with 6 additions and 1 deletions
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7
src/libcore/nil.rs
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@ -15,7 +15,7 @@ Functions for the unit type.
*/
#[cfg(notest)]
use cmp::{Eq, Ord};
use cmp::{Eq, Ord, TotalOrd, Ordering, Equal};
#[cfg(notest)]
impl Eq for () {
@ -37,3 +37,8 @@ impl Ord for () {
pure fn gt(&self, _other: &()) -> bool { false }
}
#[cfg(notest)]
impl TotalOrd for () {
#[inline(always)]
pure fn cmp(&self, _other: &()) -> Ordering { Equal }
}