"Guido van Rossum" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] >> [Fred] >> > think iterators shouldn't have length at all: >> > they're *not* containers and shouldn't act that way. >> >> Some iterators can usefully report their length with the invariant: >> len(it) == len(list(it)). > >I still consider this an erroneous hypergeneralization of the concept >of iterators. Iterators should be pure iterators and not also act as >containers. Which other object type implements __len__ but not >__getitem__?
Too late, and probably irrelevant by now; the answer though is set([1,2,3]) _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
