At 06:34 PM 5/15/2007 -0700, Guido van Rossum wrote: > > Have I missed something? It would seem that when dealing with ABCs > > that provide concrete methods, "isinstance(x, SomeABC) == True" is > > useless. > >The intention is that you shouldn't register such cases. This falls >under the consenting-adults rule.
Not only that, but the presence of the isinstance()/issubclass() hooks actually means that if you want to create your own "Role" or "Interface" types that actually *verify* your requirements, you can do so! _______________________________________________ Python-3000 mailing list Python-3000@python.org http://mail.python.org/mailman/listinfo/python-3000 Unsubscribe: http://mail.python.org/mailman/options/python-3000/archive%40mail-archive.com