On 1/24/08, Raymond Hettinger <[EMAIL PROTECTED]> wrote: > [John Barham] > > But getting back to the original issue, what does using > > frozensets gain you over using a tuple: > > > > if urlext in ('html', 'xml', 'php'): > > With sets, the search is O(1). > With tuples, it is O(n). > Sets win on inputs longer than 1.
I thought you tried changing those tuples to frozensets (because it was semantically better), and found that it didn't actually win for tuples of length 2 or 3. -jJ _______________________________________________ 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