[Zope-Checkins] CVS: Zope3/lib/python/Interface/Common - Mapping.py:1.1.2.5

[Philipp von Weitershausen]

Update of /cvs-repository/Zope3/lib/python/Interface/Common
In directory cvs.zope.org:/tmp/cvs-serv6608/lib/python/Interface/Common

Modified Files:
      Tag: Zope-3x-branch
	Mapping.py 
Log Message:
Extended Interface IReadMapping with the has_key() method and
updated the corresponding implementations and tests.


=== Zope3/lib/python/Interface/Common/Mapping.py 1.1.2.4 => 1.1.2.5 ===
         """
 
+    def has_key(key):
+        """Tell if a key exists in the mapping
+        """
+
 class IEnumerableMapping(IReadMapping):
     """Mapping objects whose items can be enumerated
     """