---

yaml
---
r: 57311
b: refs/heads/incoming
c: a3f4018
h: refs/heads/master
i:
  57309: 2a9a0ef
  57307: 62c2dfb
  57303: f900df3
  57295: 6b99f3e
  57279: 828689b
v: v3

Author: thestinger

[refs]

@@ -6,7 +6,7 @@ refs/heads/try: bf67eb2362b7d0f37012f2d6dac604c3bbacd2c6
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
 refs/heads/try2: 147ecfdd8221e4a4d4e090486829a06da1e0ca3c
-refs/heads/incoming: c47d80304e7b3726352183f466ab0756c24d7431
+refs/heads/incoming: a3f40184bdc0d094ac76b15f66bfbf87a699a705
 refs/heads/dist-snap: 00dbbd01c2aee72982b3e0f9511ae1d4428c3ba9
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503

branches/incoming/src/libcore/cmp.rs

@@ -65,13 +65,31 @@ totaleq_impl!(int)
 totaleq_impl!(uint)
 
 #[deriving(Clone, Eq)]
-pub enum Ordering { Less, Equal, Greater }
+pub enum Ordering { Less = -1, Equal = 0, Greater = 1 }
 
 /// Trait for types that form a total order
 pub trait TotalOrd: TotalEq {
     fn cmp(&self, other: &Self) -> Ordering;
 }
 
+impl TotalOrd for Ordering {
+    #[inline(always)]
+    fn cmp(&self, other: &Ordering) -> Ordering {
+        (*self as int).cmp(&(*other as int))
+    }
+}
+
+impl Ord for Ordering {
+    #[inline(always)]
+    fn lt(&self, other: &Ordering) -> bool { (*self as int) < (*other as int) }
+    #[inline(always)]
+    fn le(&self, other: &Ordering) -> bool { (*self as int) <= (*other as int) }
+    #[inline(always)]
+    fn gt(&self, other: &Ordering) -> bool { (*self as int) > (*other as int) }
+    #[inline(always)]
+    fn ge(&self, other: &Ordering) -> bool { (*self as int) >= (*other as int) }
+}
+
 macro_rules! totalord_impl(
     ($t:ty) => {
         impl TotalOrd for $t {
@@ -180,4 +198,10 @@ mod test {
         assert!(5.equals(&5));
         assert!(!2.equals(&17));
     }
+
+    #[test]
+    fn test_ordering_order() {
+        assert!(Less < Equal);
+        assert_eq!(Greater.cmp(&Less), Greater);
+    }
 }