On Tue, Jul 29, 2008 at 6:19 PM, Raymond Hettinger <[EMAIL PROTECTED]> wrote: >>> With keyword-only parameters allowed now, I think it makes sense to be able >>> to supply the keywords arguments after the variable length argument as >>> well. >> >> Agreed. I doubt that this will be a simple enough change to allow it >> in 3.0 though. > > Sure would be nice if it could go in. IMO, the functionality is an essential > companion to keyword-only parameters. > Looking at the Py2.6 version of the same itertools recipe, the workaround is > somewhat unattractive: > > def grouper(n, iterable, fillvalue=None): > "grouper(3, 'abcdefg', 'x') --> abc def gxx" > args = [iter(iterable)] * n > kwds = dict(fillvalue=fillvalue) > return izip_longest(*args, **kwds)
If you reverse the two parts it will work: izip_longest(fillvalue=fillvalue, *args) This works in 2.6 and 3.0. It would be nice to allow the other order too, I know it's tripped me up... But the syntax would become really tricky. So let's strive to fix this for 3.1 rather than introduce instability in such a subtle area of the code this late in the game. -- --Guido van Rossum (home page: http://www.python.org/~guido/) _______________________________________________ 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
