[Python-Dev] Python 3.6 dict becomes compact and gets a private version; and keywords become ordered (original) (raw)
Antoine Pitrou solipsis at pitrou.net
Fri Sep 9 04:55:41 EDT 2016
- Previous message (by thread): [Python-Dev] Python 3.6 dict becomes compact and gets a private version; and keywords become ordered
- Next message (by thread): [Python-Dev] Python 3.6 dict becomes compact and gets a private version; and keywords become ordered
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
On Thu, 8 Sep 2016 14:20:53 -0700 Victor Stinner <victor.stinner at gmail.com> wrote:
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).
Is it an official feature of the language or an implementation detail?
Regards
Antoine.
- Previous message (by thread): [Python-Dev] Python 3.6 dict becomes compact and gets a private version; and keywords become ordered
- Next message (by thread): [Python-Dev] Python 3.6 dict becomes compact and gets a private version; and keywords become ordered
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]