[Terry Reedy] > One is a 'universal dict' that maps every key to something -- the default if > nothing else. That should not have the default ever explicitly entered. > Udict.keys() should only give the keys *not* mapped to the universal value.
Would you consider it a mapping invariant that "k in dd" implies "k in dd.keys()"? Is the notion of __contains__ at odds with notion of universality? Raymond _______________________________________________ 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
