On Mon, 28 Oct 2013 22:18:45 +1100, Chris Angelico wrote: > On Mon, Oct 28, 2013 at 10:14 PM, Steven D'Aprano > <steve+comp.lang.pyt...@pearwood.info> wrote: >> if needs_preprocessing: >> for elem in iterable: >> # If you change this block, you must remember to change the # >> block below too! >> preprocess(item) >> do_this(item) >> do_that(item) >> do_something_else(item, arg1, arg2, expression) >> do_another_thing(item + arg3, key=whatever) print(item) >> else: >> for elem in iterable: >> # If you change this block, you must remember to change the # >> block above too! >> preprocess(item) >> do_this(item) >> do_that(item) >> do_something_else(item, arg1, arg2, expression) >> do_another_thing(item, key=whatever) >> print(item) >> >> >> The careful reader will notice that there's already a bug in this. > > For a start, you're preprocessing in the second block... I don't think > that was your intentional bug :)
Heh, no, that wasn't the intentional bug. But it does go to show the risks of copy-and-paste programming. -- Steven -- https://mail.python.org/mailman/listinfo/python-list
