Adam Olsen wrote: > On Fri, Oct 23, 2009 at 11:04, Vitor Bosshard <algor...@gmail.com> wrote: >> I see this as being useful for frozensets as well, where you can't get >> an arbitrary element easily due to the obvious lack of .pop(). I ran >> into this recently, when I had a frozenset that I knew had 1 element >> (it was the difference between 2 other sets), but couldn't get to that >> element easily (get the pun?) > > item, = set_of_one > >
Interesting. It depends a bit on the speed of tuple unpacking, but presumably that is quite fast. On my system it is pretty darn good: 0.101us "for x in s: break" 0.112us "x, = s" 0.122us "for x in s: pass" So not quite as good as the for loop, but quite close. John =:-> _______________________________________________ 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