[Python-Dev] Guarantee ordered dict literals in v3.7?
Sven R. Kunze
srkunze at mail.de
Sun Nov 5 15:44:01 EST 2017
+1 from me too.
On 04.11.2017 21:55, Jim Baker wrote:
> +1, as Guido correctly recalls, this language guarantee will work well
> with Jython when we get to the point of implementing 3.7+.
>
> On Sat, Nov 4, 2017 at 12:35 PM, Guido van Rossum <guido at python.org
> <mailto:guido at python.org>> wrote:
>
> This sounds reasonable -- I think when we introduced this in 3.6
> we were worried that other implementations (e.g. Jython) would
> have a problem with this, but AFAIK they've reported back that
> they can do this just fine. So let's just document this as a
> language guarantee.
>
> On Sat, Nov 4, 2017 at 10:30 AM, Stefan Krah <stefan at bytereef.org
> <mailto:stefan at bytereef.org>> wrote:
>
>
> Hello,
>
> would it be possible to guarantee that dict literals are
> ordered in v3.7?
>
>
> The issue is well-known and the workarounds are tedious, example:
>
> https://mail.python.org/pipermail/python-ideas/2015-December/037423.html
> <https://mail.python.org/pipermail/python-ideas/2015-December/037423.html>
>
>
> If the feature is guaranteed now, people can rely on it around
> v3.9.
>
>
>
> Stefan Krah
>
>
>
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>
>
> --
> --Guido van Rossum (python.org/~guido <http://python.org/%7Eguido>)
>
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