On Thu, Apr 14, 2016, 17:14 MRAB <pyt...@mrabarnett.plus.com> wrote: > On 2016-04-14 21:42, Armin Rigo wrote: > > Hi Victor, > > > > On 14 April 2016 at 17:19, Victor Stinner <victor.stin...@gmail.com> > wrote: > >> Each time a dictionary is created, the global > >> version is incremented and the dictionary version is initialized to the > >> global version. > > > > A detail, but why not set the version tag of new empty dictionaries to > > zero, always? Same after a clear(). This would satisfy the > > condition: equality of the version tag is supposed to mean "the > > dictionary content is precisely the same". > > > If you did that, wouldn't it then be possible to replace an empty dict > with another empty dict with you noticing?
If you meant to say "without" then yes. Would that matter? > Nope because this is about versioining content, so having identical/empty content compare equal is fine. -brett > _______________________________________________ > Python-Dev mailing list > Python-Dev@python.org > https://mail.python.org/mailman/listinfo/python-dev > Unsubscribe: > https://mail.python.org/mailman/options/python-dev/brett%40python.org >
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