Class ColNoSize

Lib/test/test_collections.py:1108–1110

            def __len__(self): return 0
            def __contains__(self, item): return False
        class ColNoSize:
            def __iter__(self): return iter([])
            def __contains__(self, item): return False
        class ColNoCont:
            def __iter__(self): return iter([])
            def __len__(self): return 0