Re: [Python-Dev] Guarantee ordered dict literals in v3.7?

2017年11月05日 12:47:49 -0800

+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 <[email protected] <mailto:[email protected]>> 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 <[email protected]
 <mailto:[email protected]>> 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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