[Python-Dev] Python 3.6 dict becomes compact and gets a private version; and keywords become ordered
brett at python.org
Fri Sep 9 13:32:21 EDT 2016
On Fri, 9 Sep 2016 at 10:28 Victor Stinner <victor.stinner at gmail.com> wrote:
> 2016-09-09 10:17 GMT-07:00 Guido van Rossum <guido at python.org>:
> > - keyword args are ordered
> > - the namespace passed to a metaclass is ordered by definition order
> > - ditto for the class __dict__
> Maybe we should define exactly "ordered" somewhere the language reference:
> I expect:
> * a mapping: mapping ABC,
> * ordered by definition order
> * no more
> I mean: OrderedDict has extra methods, __reversed__() and
> move_to_end(). Users should not rely on them.
Adding "ordered mapping" to the glossary and linking to the term from the
language spec should cover that. Maybe Eric can add it since he made the
spec updates earlier?
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