09.04.20 03:46, Henk-Jaap Wagenaar пише:
I like the idea of formalizing "unused variables".
How about having a syntax for it? Allowing a "." instead of an
identifier to signify this behaviour [reusing Serhiy's examples]:
head, ., rest = path.partition('/')
first, second, *. = line.split()
09.04.20 00:54, Andrew Barnert via Python-ideas пише:
Could you go so far as to remove the variable from the locals if its only
assignment(s) are optimized out? I’m not sure how much benefit that would
provide. (Surely it would sometimes mean an f_locals array fits into one cache
line instead
I like the idea of formalizing "unused variables".
How about having a syntax for it? Allowing a "." instead of an
identifier to signify this behaviour [reusing Serhiy's examples]:
head, ., rest = path.partition('/')
first, second, *. = line.split()
for . in range(10): ...
[k for k, . in pairs]
On Apr 8, 2020, at 10:59, Serhiy Storchaka wrote:
>
> I doubted whether or not to write, but since Guido has already touched a
> similar topic (see "Live variable analysis -> earlier release"), so will I
> write.
>
> It is common to assign some values which are never used to variables
