[Python-Dev] Python 3.6 dict becomes compact and gets a private version; and keywords become ordered (original) (raw)
Victor Stinner victor.stinner at gmail.com
Thu Sep 8 17:20:53 EDT 2016
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2016-09-08 13:36 GMT-07:00 Guido van Rossum <guido at python.org>:
IIUC there's one small thing we might still want to change somewhere after 3.6b1 but before 3.6rc1: the order is not preserved when you delete some keys and then add some other keys. Apparently PyPy has come up with a clever solution for this, and we should probably adopt it, but it's probably best not to hurry that for 3.6b1.
Very good news: I was wrong, Raymond Hettinger confirmed that the Python 3.6 dict already preserves the items order in all cases. In short, Python 3.6 dict = Python 3.5 OrderedDict (in fact, OrderedDict has a few more methods).
Victor
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