Introduce a base class for Set, List and Tuple in order to avoid code duplication. Closes issue #160.

1 files changed, 1 insertions, 13 deletions

diff --git a/astroid/objects.py b/astroid/objects.py
index c2ac9a5f..aa3848a3 100644
--- a/astroid/objects.py
+++ b/astroid/objects.py
@@ -40,21 +40,12 @@ from astroid import scoped_nodes
 BUILTINS = six.moves.builtins.__name__
 
 
-class FrozenSet(bases.NodeNG, bases.Instance, mixins.ParentAssignTypeMixin):
+class FrozenSet(node_classes._BaseContainer):
     """class representing a FrozenSet composite node"""
 
-    def __init__(self, elts=None):
-        if elts is None:
-            self.elts = []
-        else:
-            self.elts = [node_classes.const_factory(e) for e in elts]
-
     def pytype(self):
         return '%s.frozenset' % BUILTINS
 
-    def itered(self):
-        return self.elts
-
     def _infer(self, context=None):
         yield self
 
@@ -63,9 +54,6 @@ class FrozenSet(bases.NodeNG, bases.Instance, mixins.ParentAssignTypeMixin):
         builtins = MANAGER.astroid_cache[BUILTINS]
         return builtins.getattr('frozenset')[0]
 
-    def bool_value(self):
-        return bool(self.elts)
-
 
 class Super(bases.NodeNG):
     """Proxy class over a super call.