On Thu, Jun 14, 2012 at 12:57 PM, Antoine Pitrou <solip...@pitrou.net> wrote: > On Thu, 14 Jun 2012 12:46:38 -0700 > Ethan Furman <et...@stoneleaf.us> wrote: >> >> This is no different from what we have with strings now: >> >> --> 'aA'.islower() >> False >> --> 'aA'.isupper() >> False >> --> 'a'.islower() >> True >> --> 'A'.isupper() >> True >> >> We know that a string cannot be both all-upper and all-lower at the same >> time; > > We know that because it's common wisdom for everyone (although who knows > what oddities the unicode consortium may come up with in the future). > Whether a given function argument may be of several kinds at the same > time is much less obvious to most people.
Is it obvious to most people? No. Is it obvious to most users of this functionality? I would expect so. This isn't some implementation detail, this is a characteristic of python parameters. If you don't understand it, you are probably not the audience for signature. > > Regards > > Antoine. > > > _______________________________________________ > 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/alexandre.zani%40gmail.com _______________________________________________ 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
