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| author | Steven Fackler <sfackler@gmail.com> | 2014-06-17 23:25:51 -0700 |
|---|---|---|
| committer | Steven Fackler <sfackler@gmail.com> | 2014-06-29 21:42:09 -0700 |
| commit | 55cae0a094bbdcd0e9d5e697ce4f38cbd783bbc7 (patch) | |
| tree | 3385d84daae977e0d2bf08decdaf807e1d03337d /src/liballoc/rc.rs | |
| parent | bb5695b95c288c442dbe528f7e1c1b08f79f033d (diff) | |
| download | rust-55cae0a094bbdcd0e9d5e697ce4f38cbd783bbc7.tar.gz rust-55cae0a094bbdcd0e9d5e697ce4f38cbd783bbc7.zip | |
Implement RFC#28: Add PartialOrd::partial_cmp
I ended up altering the semantics of Json's PartialOrd implementation. It used to be the case that Null < Null, but I can't think of any reason for an ordering other than the default one so I just switched it over to using the derived implementation. This also fixes broken `PartialOrd` implementations for `Vec` and `TreeMap`. RFC: 0028-partial-cmp
Diffstat (limited to 'src/liballoc/rc.rs')
| -rw-r--r-- | src/liballoc/rc.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/liballoc/rc.rs b/src/liballoc/rc.rs index a3ca72f1547..0746f0a0f04 100644 --- a/src/liballoc/rc.rs +++ b/src/liballoc/rc.rs @@ -163,6 +163,11 @@ impl<T: Eq> Eq for Rc<T> {} impl<T: PartialOrd> PartialOrd for Rc<T> { #[inline(always)] + fn partial_cmp(&self, other: &Rc<T>) -> Option<Ordering> { + (**self).partial_cmp(&**other) + } + + #[inline(always)] fn lt(&self, other: &Rc<T>) -> bool { **self < **other } #[inline(always)] |