On Mon, Aug 9, 2021 at 10:32 PM Samuel Freilich <sfreil...@google.com> wrote: > > > that can be used (eg) for indexing > > Even without it being used in as complicated a way as that it's still not > backward compatible because of the trivial case, as foo.endswith("") is True. >
I was talking specifically about the original, which can be depended upon to return True or False. Changing the return value would break anything that depends on that. Not sure what you're referring to. ChrisA _______________________________________________ Python-ideas mailing list -- python-ideas@python.org To unsubscribe send an email to python-ideas-le...@python.org https://mail.python.org/mailman3/lists/python-ideas.python.org/ Message archived at https://mail.python.org/archives/list/python-ideas@python.org/message/PL7OP6WC36TB5TGXB3LTYC7KYP454UZG/ Code of Conduct: http://python.org/psf/codeofconduct/