Terry Reedy <tjre...@udel.edu> wrote: > I am bothered by mutually exclusive parameters. This is one reason I was > glad to see cmp eliminated from list.sort. Quick: what happens if one > passes both cmp and key to list.sort? There are three reasonable > possibilities. As far as I can read, the answer is not documented.#
> # Experiment with 2.7 shows that cmp wins. Though too late to change, I > consider this the worst choice of three. I think an exception should be > raised. Failing that, I think key should win on the basis that if one > adds a 'new-fangled' key func to an existing call with cmp (and forgets > to remove cmp), the key func is the one intended. Also, the doc clearly > indicates that key is considered superior to cmp. Neither 'wins': cmp is applied to the output of key. I agree that it would have been worth documenting this explicitly. -M- _______________________________________________ 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
