---

yaml
---
r: 47017
b: refs/heads/try
c: 321e3c4
h: refs/heads/master
i:
  47015: 48cf742
v: v3

Author: z0w0

[refs]

@@ -2,7 +2,7 @@
 refs/heads/master: 3bbcac322669cff3abde5be937cc4ec3860f3985
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: a6d9689399d091c3265f00434a69c551a61c28dc
-refs/heads/try: f18ae8ce7e2764b3d6f9b3c22c31163e55cac98a
+refs/heads/try: 321e3c490906fed6ed1d46a7cbd2d2f9a42c9a53
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
 refs/heads/try2: 147ecfdd8221e4a4d4e090486829a06da1e0ca3c

branches/try/src/libcore/semver.rs

@@ -17,6 +17,7 @@ use uint;
 use str;
 use to_str::ToStr;
 use char;
+use cmp;
 
 pub struct Version {
     major: uint,
@@ -37,6 +38,61 @@ impl Version: ToStr {
     }
 }
 
+impl Version: cmp::Ord {
+    #[inline(always)]
+    pure fn lt(&self, other: &Version) -> bool {
+        self.major < other.major ||
+        self.minor < other.minor ||
+        self.patch < other.patch ||
+        (match self.tag {
+            Some(stag) => match other.tag {
+                Some(otag) => stag < otag,
+                None => true
+            },
+            None => false
+        })
+    } 
+    #[inline(always)]
+    pure fn le(&self, other: &Version) -> bool {
+        self.major <= other.major ||
+        self.minor <= other.minor ||
+        self.patch <= other.patch ||
+        (match self.tag {
+            Some(stag) => match other.tag {
+                Some(otag) => stag <= otag,
+                None => true
+            },
+            None => false
+        })
+    }
+    #[inline(always)]
+    pure fn gt(&self, other: &Version) -> bool {
+        self.major > other.major ||
+        self.minor > other.minor ||
+        self.patch > other.patch ||
+        (match self.tag {
+            Some(stag) => match other.tag {
+                Some(otag) => stag > otag,
+                None => false
+            },
+            None => true
+        })
+    }
+    #[inline(always)]
+    pure fn ge(&self, other: &Version) -> bool {
+        self.major >= other.major ||
+        self.minor >= other.minor ||
+        self.patch >= other.patch ||
+        (match self.tag {
+            Some(stag) => match other.tag {
+                Some(otag) => stag >= otag,
+                None => false
+            },
+            None => true
+        })
+    }
+}
+
 fn read_whitespace(rdr: io::Reader, ch: char) -> char {
     let mut nch = ch;