Aargh, I hate Google Groups with a vengeance. If people *have* to post from there, can they please change reply-to so that replies don't get messed up. Or is that not possible, and yet another way that GG is just broken? Paul
---------- Forwarded message ---------- From: Paul Moore <p.f.mo...@gmail.com> Date: 22 July 2018 at 12:05 Subject: Re: [Python-ideas] PEP 505: None-aware operators To: Grégory Lielens <gregory.liel...@gmail.com> Cc: python-ideas <python-id...@googlegroups.com> On 22 July 2018 at 11:54, Grégory Lielens <gregory.liel...@gmail.com> wrote: > Except that the third possibility is not possible...if a is None, a[2] will > throw an exception... > For now at least ;-) Doh. True, I should have said "If a is not None and a[2] is not None, use a[2]". But my point about unintended behaviour if a[2] is None stands. And the wider point that these operators are hard to reason correctly about is probably emphasised by my mistake. Paul _______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
