Use mixin methods where possible. (2.7 only -- these don't all exist in 3.0)
diff --git a/Lib/collections.py b/Lib/collections.py
index 0ff5673..430c59b 100644
--- a/Lib/collections.py
+++ b/Lib/collections.py
@@ -69,24 +69,13 @@
setdefault = MutableMapping.setdefault
update = MutableMapping.update
pop = MutableMapping.pop
-
- def keys(self):
- return list(self.__keys)
-
- def values(self):
- return map(self.__getitem__, self.__keys)
-
- def items(self):
- return zip(self.__keys, self.values())
-
- def iterkeys(self):
- return iter(self.__keys)
-
- def itervalues(self):
- return _imap(self.__getitem__, self.__keys)
-
- def iteritems(self):
- return _izip(self.__keys, _imap(self.__getitem__, self.__keys))
+ keys = MutableMapping.keys
+ values = MutableMapping.values
+ items = MutableMapping.items
+ iterkeys = MutableMapping.iterkeys
+ itervalues = MutableMapping.itervalues
+ iteritems = MutableMapping.iteritems
+ __ne__ = MutableMapping.__ne__
def __repr__(self):
if not self: