6 files changed, 14 insertions, 6 deletions
diff --git a/src/libstd/getopts.rs b/src/libstd/getopts.rs
index 50bad1e748a..092bf5cfd78 100644
--- a/src/libstd/getopts.rs
+++ b/src/libstd/getopts.rs
@@ -124,12 +124,14 @@ impl Name : Eq {
             }
         }
     }
+    pure fn ne(&&other: Name) -> bool { !self.eq(other) }
 }
 
 impl Occur : Eq {
     pure fn eq(&&other: Occur) -> bool {
         (self as uint) == (other as uint)
     }
+    pure fn ne(&&other: Occur) -> bool { !self.eq(other) }
 }
 
 /// Create an option that is required and takes an argument
@@ -449,6 +451,7 @@ impl FailType : Eq {
     pure fn eq(&&other: FailType) -> bool {
         (self as uint) == (other as uint)
     }
+    pure fn ne(&&other: FailType) -> bool { !self.eq(other) }
 }
 
 #[cfg(test)]
diff --git a/src/libstd/json.rs b/src/libstd/json.rs
index 161fdf53b99..f2207f2a913 100644
--- a/src/libstd/json.rs
+++ b/src/libstd/json.rs
@@ -609,12 +609,12 @@ impl Error : Eq {
         self.col == other.col &&
         self.msg == other.msg
     }
+    pure fn ne(&&other: Error) -> bool { !self.eq(other) }
 }
 
 impl Json : Eq {
-    pure fn eq(&&other: Json) -> bool {
-        eq(self, other)
-    }
+    pure fn eq(&&other: Json) -> bool { eq(self, other) }
+    pure fn ne(&&other: Json) -> bool { !self.eq(other) }
 }
 
 trait ToJson { fn to_json() -> Json; }
diff --git a/src/libstd/list.rs b/src/libstd/list.rs
index ff4f20e7be7..71b820b4022 100644
--- a/src/libstd/list.rs
+++ b/src/libstd/list.rs
@@ -165,6 +165,7 @@ impl<T:Eq> List<T> : Eq {
             }
         }
     }
+    pure fn ne(&&other: List<T>) -> bool { !self.eq(other) }
 }
 
 #[cfg(test)]
diff --git a/src/libstd/net_url.rs b/src/libstd/net_url.rs
index 855608a8fdf..a8872e13f0b 100644
--- a/src/libstd/net_url.rs
+++ b/src/libstd/net_url.rs
@@ -320,6 +320,7 @@ impl UserInfo : Eq {
     pure fn eq(&&other: UserInfo) -> bool {
         self.user == other.user && self.pass == other.pass
     }
+    pure fn ne(&&other: UserInfo) -> bool { !self.eq(other) }
 }
 
 fn query_from_str(rawquery: &str) -> Query {
@@ -386,6 +387,7 @@ impl Input: Eq {
             (Unreserved, _) => false
         }
     }
+    pure fn ne(&&other: Input) -> bool { !self.eq(other) }
 }
 
 // returns userinfo, host, port, and unparsed part, or an error
diff --git a/src/libstd/test.rs b/src/libstd/test.rs
index 8c76c316be4..db8af371cec 100644
--- a/src/libstd/test.rs
+++ b/src/libstd/test.rs
@@ -96,6 +96,7 @@ impl TestResult : Eq {
     pure fn eq(&&other: TestResult) -> bool {
         (self as uint) == (other as uint)
     }
+    pure fn ne(&&other: TestResult) -> bool { !self.eq(other) }
 }
 
 type ConsoleTestState =
diff --git a/src/libstd/time.rs b/src/libstd/time.rs
index 86104c117b5..c012ac8fa05 100644
--- a/src/libstd/time.rs
+++ b/src/libstd/time.rs
@@ -40,6 +40,7 @@ impl Timespec : Eq {
     pure fn eq(&&other: Timespec) -> bool {
         self.sec == other.sec && self.nsec == other.nsec
     }
+    pure fn ne(&&other: Timespec) -> bool { !self.eq(other) }
 }
 
 /**
@@ -105,6 +106,7 @@ impl Tm_ : Eq {
         self.tm_zone == other.tm_zone &&
         self.tm_nsec == other.tm_nsec
     }
+    pure fn ne(&&other: Tm_) -> bool { !self.eq(other) }
 }
 
 enum Tm {
@@ -112,9 +114,8 @@ enum Tm {
 }
 
 impl Tm : Eq {
-    pure fn eq(&&other: Tm) -> bool {
-        *self == *other
-    }
+    pure fn eq(&&other: Tm) -> bool { *self == *other }
+    pure fn ne(&&other: Tm) -> bool { *self != *other }
 }
 
 fn empty_tm() -> Tm {