Class Frag

Lib/test/test_descr.py:893–895

            def foo(self):
                return "23"
        class Frag(Node, list):
            def foo(self):
                return "42"
        self.assertEqual(Node().__int__(), 23)
        self.assertEqual(int(Node()), 23)
        self.assertEqual(Frag().__int__(), 42)