On Sun, Jul 22, 2018 at 11:51 PM 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 going to engage into a discussion [...]
s/I'm going/I'm not going -- Giampaolo - http://grodola.blogspot.com _______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/