On Tue, Jan 20, 2009 at 09:24:32AM -0500, Gerald Britton wrote: > hmmm...doesn't: > > if n*n < 50 or raise StopIteration() > > really mean, "Return an integer in the range 0-99 if n-squared is less > than fifty or the statement 'raise StopIteration()' returns True" ? > > I'm not sure that that will work. Well, your variant will trigger syntax error (and will not work surely).
To make it work we need a function, that raises StopIteration. exactly as I have suggested. > > On Tue, Jan 20, 2009 at 9:18 AM, <python-3...@udmvt.ru> wrote: > > On Mon, Jan 19, 2009 at 10:10:00AM -0500, Gerald Britton wrote: > >> Please find below PEP 3142: Add a "while" clause to generator > >> expressions. I'm looking for feedback and discussion. > >> > > ... > >> g = (n for n in range(100) while n*n < 50) > > > > May I suggest you this variant? > > > > def raiseStopIteration(): > > raise StopIteration > > > > g = (n for n in range(100) if n*n < 50 or raiseStopIteration()) -- Alexey G. Shpagin _______________________________________________ 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
