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[Python-Dev] The new and improved PEP 572, same great taste with 75% less complexity!

Jim F.Hilliard d.f.hilliard at gmail.com
Thu Apr 26 12:19:43 EDT 2018 
FWIW There's an existing issue (bpo 29652
<https://bugs.python.org/issue29652>) for the order of evaluation in
dict-comps.



Best Regards,

Jim Fasarakis Hilliard

On Thu, Apr 26, 2018 at 7:06 PM, Chris Angelico <rosuav at gmail.com> wrote:

> On Fri, Apr 27, 2018 at 2:02 AM, Guido van Rossum <gvanrossum at gmail.com>
> wrote:
> > Maybe the order for d[k] = v should also be reconsidered?
>
> If so, it would be something like:
>
> 1) Evaluate d
> 2) Evaluate k
> 3) Evaluate v
> 4) Call d.__setitem__(k, v), via slots etc
>
> In a vacuum, I don't have a problem with that. But I suspect that it'd
> break more code than the comprehensions changes do.
>
> ChrisA
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