On Mon, Jul 23, 2018 at 7:51 AM, Giampaolo Rodola' <g.rod...@gmail.com> wrote: > On Sun, Jul 22, 2018 at 10:55 PM Chris Angelico <ros...@gmail.com> wrote: >> >> On Mon, Jul 23, 2018 at 6:43 AM, Giampaolo Rodola' <g.rod...@gmail.com> >> wrote: >> > On Sun, Jul 22, 2018 at 10:01 PM Chris Angelico <ros...@gmail.com> wrote: >> >> >> >> On Mon, Jul 23, 2018 at 1:09 AM, Giampaolo Rodola' <g.rod...@gmail.com> >> >> wrote: >> >> > On Sun, Jul 22, 2018 at 3:38 PM Chris Angelico <ros...@gmail.com> wrote: >> >> > I find it less explicit mainly because it does 3 things at once: check >> >> > if attribute is None, use it if it's not None and continue the >> >> > evaluation from left to right. I find that logic to be more explicit >> >> > when living on different lines or is clearly delimited by keywords and >> >> > spaces. ? has no spaces, it's literally "variable names interrupted by >> >> > question marks" and evaluation can stop at any time while scanning the >> >> > line from left to right. Multiple "?" can live on the same line so >> >> > that's incentive to write one-liners, really, and to me one-liners are >> >> > always less explicit than the same logic split on multiple lines. >> >> >> >> Ah, I see what you mean. Well, think about what actually happens when >> >> you write "lst.sort()". In terms of "hidden behaviour", there is far >> >> FAR more of it in existing syntax than in the new proposals. >> > >> > I am not sure I'm following you (what does lst.sort() have to do with >> > "?"?). >> >> The "." in "lst.sort" is an operator. How much hidden behaviour is >> there in that? Do you actually even know every possible thing that can >> happen? Don't feel bad if you don't - it's not an indictment of your >> quality as a programmer, but an acknowledgement that Python's >> attribute access is incredibly complicated. > > I'm [not] going to engage into a discussion about the analogy between "?" > and "." because simply there is none. It doesn't prove anything except > that you're not really interested in having a serious discussion about > the pros and cons of this PEP: you just want it to happen no matter > what.
That's because the dot already exists in the language, and you have become so accustomed to it that you don't see it any more. You've just proven my point. ChrisA _______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
