Nick Coghlan wrote: > The use case is being able to block the inheritance of special methods > that object provides default implementations for (like '__hash__'), such > that a hasattr() check (or a check for a type slot being 0) for those > special methods will actually fail.
Maybe descriptors could be given a __has__ slot that got called by hasattr() if present. Then a descriptor could be created that would have this effect, and your > class Unhashable(object): > __hash__ = Undefined spelling could be used. -- Greg _______________________________________________ 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
