On Sun, Feb 25, 2018 at 6:36 AM, Serhiy Storchaka <storch...@gmail.com> wrote:
> 23.02.18 19:30, Guido van Rossum пише: > >> I'm not saying anything new here, but since you asked specifically for my >> opinion: I don't care for the idiom; it's never occurred to me before, and >> it smells of cleverness. If I saw it in a code review I would probably ask >> for a regular for-loop to make the code more maintainable. >> >> But if you say it's useful for some class of users and it would be more >> useful if it was faster, I'm fine with the optimization. The optimization >> is also clever, and here I appreciate cleverness! >> > > Thank you. Given the contradictory relation of other core developers to > this idiom, and small total effect of this optimization (since the problem > solved by using this idiom is rarely occurred), I'm inclined to defer this > optimization on to some time (months or years). Maybe something will be > changed during this period: either this idiom will become more popular, or > new arguments against using it will be found, or better solution will be > found, or this optimization will become the part of more general > optimization. > Yeah, it doesn't seem there's any hurry. Opinions on the idiom are definitely, um, divided. :-) FWIW I don't care much about the 'f(x) as y' solution either, and being new syntax it has a much higher bar. -- --Guido van Rossum (python.org/~guido)
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