[Python-Dev] Guarantee ordered dict literals in v3.7? (original) (raw)
Nathaniel Smith njs at pobox.com
Fri Dec 15 01:04:19 EST 2017
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On Dec 14, 2017 21:30, "Raymond Hettinger" <raymond.hettinger at gmail.com> wrote:
On Dec 14, 2017, at 6:03 PM, INADA Naoki <songofacandy at gmail.com> wrote:
If "dict keeps insertion order" is not language spec and we continue to recommend people to use OrderedDict to keep order, I want to optimize OrderedDict for creation/iteration and memory usage. (See https://bugs.python.org/issue31265#msg301942 )
I support having regular dicts maintain insertion order but am opposed to Inada changing the implementation of collections.OrderedDict We can have the first without having the second.
It seems like the two quoted paragraphs are in vociferous agreement.
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