My bad, you have pointed to ambiguity accurately. Thanks for taking time to correct me.
Regards, DG > On 20 Sep 2023, at 16:09, Celelibi <[email protected]> wrote: > > 2023-09-12 7:10 UTC+02:00, Dom Grigonis <[email protected]>: >> I don’t think your example depicts the ambiguity well. >> >> 1. is the correct parsing of the Original1, 2. is the correct parsing of >> Original2 and 3. is not correct for either of those. >> >> Original1 >>> while a < b (x := c) - 42 >> Original2 >>> while a < b(x := c) - 42 > > They're the same. AFAIK `foo(...)` and `foo (...)` are parsed exactly > the same way. A space in this place is irrelevant. And it's unlikely > to change in the next few decades. > >> >> 1. In this case, it’s obviously this one >>> while a < b: >>> (x := c) - 42 > > Why tho? Why would this one be more obvious than the other > alternatives? What would be the rules to decide? If I may quote the > PEP 20: >> In the face of ambiguity, refuse the temptation to guess. > >> 2. In here your removed the space, which is not ambiguity, but rather >> mistype > Again, the space in this place doesn't matter. I removed it to show > more explicitely how it could be parsed. > >> 3. Same as in 2. But also, this is not an option, because if there was no >> indent on the next line, then body exists. So this is incorrect. >>> Or: >>> while a < b(x := c) - 42: >>> # ??? > > I actually think this is the better parsing of the three: a SyntaxError. > > > Celelibi > _______________________________________________ > Python-ideas mailing list -- [email protected] > To unsubscribe send an email to [email protected] > https://mail.python.org/mailman3/lists/python-ideas.python.org/ > Message archived at > https://mail.python.org/archives/list/[email protected]/message/WSOJIXRMEYCNQGVNABPCJJ4S23PB6X4L/ > Code of Conduct: http://python.org/psf/codeofconduct/ _______________________________________________ Python-ideas mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3/lists/python-ideas.python.org/ Message archived at https://mail.python.org/archives/list/[email protected]/message/RQBYA3FMKBL6OXZWJ55XAT26CKOPH7EU/ Code of Conduct: http://python.org/psf/codeofconduct/
