I smell a new thread. :-)
On Tue, Jul 3, 2018 at 3:06 PM Terry Reedy <[email protected]> wrote:
> On 7/3/2018 2:42 AM, Tim Peters wrote:
>
> > So if we had it to do over again I'd sigh and accept "generator
> > comprehensions" anyway. It's been an eternal PITA - and especially in
> > the PEP 572 threads! - to keep typing "comprehensions or generator
> > expressions". Then again, if I had the power of Guido's time machine,
> > I'd go back more, and not use "comprehensions" for anything to begin
> > with.
>
> Amen. I cannot make 'comprehension' in this context comprehensible
> without some linguistic twisting.
>
> > Instead we'd have list, dict, set, and generator twizzlers,
> > affectionately called listwiz, dictwiz, setwiz, and gentwiz by the cool
> > kids :-)
>
> I learned the set notion, such as
> {n^2: n in N; 1 <= n < 100, n even} # math
> {n*n for n in range(1,100) if not n%2} # python
> as 'set builder' notation.
>
> If we had followed the math precedent, instead of <other computer
> language>, we would have set builders, list builders, dict builders, and
> generator builders.
>
> I half seriously think we should consider this for 3.8 for the benefit
> of future Python programmers as well as ourselves. Comprehensions that
> can contain assignment expressions are a slightly new thing.
>
>
> --
> Terry Jan Reedy
>
>
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--
--Guido van Rossum (python.org/~guido)
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