On 2016-01-20 1:36 PM, Maciej Fijalkowski wrote:
On Wed, Jan 20, 2016 at 7:22 PM, Brett Cannon <br...@python.org> wrote:
On Wed, 20 Jan 2016 at 10:11 Yury Selivanov <yselivanov...@gmail.com> wrote:
[..]
"ma_extra" would also make it easier for us to extend dicts
in the future.
Why can't you simply use the id of the dict object as the globally unique
dict ID? It's already globally unique amongst all Python objects which makes
it inherently unique amongst dicts.
Brett, you need two things - the ID of the dict and the version tag.
What we do in pypy is we have a small object (called, surprisingly,
VersionTag()) and we use the ID of that. That way you can change the
version id of an existing dict and have only one field.
Yeah, that's essentially what I propose with ma_extra.
Yury
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