[Python-Dev] PEP 572: Do we really need a ":" in ":="?

Barry Warsaw barry at python.org
Thu Jul 12 13:21:09 EDT 2018

On Jul 12, 2018, at 09:23, INADA Naoki <songofacandy at gmail.com> wrote:
>> Yes, the PEP has improved significantly since that time. My guess is the same poll taken now could give an opposite result.
> I still -0 on PEP 572.  But strong -1 on restart discussion about changing it.
> We should polish and implement it for now, not change.

I think that’s likely true.  While extremely painful for so many of us, I think the end result is a much better PEP, and a much better feature.  I was -1 as well, but I’d say I’m a firm +0 now[*].  I like how many of the problematic syntactic and semantic issues have been narrowed and prohibited, and I can see myself using this sparingly.  It’s not the first time I’ve found myself in this position with a new Python feature, and it’s one of the reasons I deeply trust Guido’s intuition and sensibilities.


[*] Not that it matters; the PEP is accepted - time to move on!  The world won’t end. :)

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