On 3/1/17, Steven D'Aprano <st...@pearwood.info> wrote: > On Wed, Mar 01, 2017 at 07:02:23AM +0800, 语言破碎处 wrote: >> >> where we use types? >> almost: >> isinstance(obj, T); >> # issubclass(S, T); >> >> Note that TYPE is SET; > > What does that mean? I don't understand.
Maybe she/he wants to say that it is natural to see class as a collection (at least in set theory https://en.wikipedia.org/wiki/Class_(set_theory) ) _______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
