On Sun, Jul 8, 2018 at 6:45 PM Steve Holden <steve at holdenweb.com> wrote: > On Sun, Jul 8, 2018 at 10:41 AM, Giampaolo Rodola' <g.rodola at gmail.com> > wrote: > >> [...] >> I find that (space between the parentheses of a function call statement) >> too unnatural as a place where to put an assignment. It is not even >> "guarded" by a keyword like "if" or "while" which can help as indicators >> that an assignment may occur. Also, I think it's way too easy to confuse it >> with a keyword argument: >> >> >>> foo(x = 1) # keyword arg >> >>> foo(x := 1) # assignment + value passing >> [...] >> > > But the PEP 8 spellings are > > foo(x=1) > > and > > f(x := 1). > > The extra spacing makes it obvious that this isn't a regular named > argument. > What if the author of the code I'm reading didn't respect PEP-8? I don't think it's fair to invoke PEP-8 as a counter-measure to obviate a syntax which can clearly be mistaken with something else simply by omitting 2 spaces. Not to mention that I don't see why anyone would want to declare a variable in there in the first place. -- Giampaolo - http://grodola.blogspot.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.python.org/pipermail/python-dev/attachments/20180708/708d4041/attachment.html>
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