[Python-Dev] ABCs and MRO
tjreedy at udel.edu
Tue Mar 3 18:30:54 CET 2009
Nick Coghlan wrote:
> Terry Reedy wrote:
>> OK, that suggests that the new feature should only be committed, if
>> ever, to 2.7 after 3.1, when it can also be committed to 3.2 at the same
> Not really - there's already stuff in 3.0 that wasn't backported the
> first time around.
Irrelevant. It is intended that Py3 have features that never appear in
Py2. My suggestion is aimed at avoiding the possibility that a new
feature such as simplegeneric appear in 2.7 and *not* in 3.x.
> The only thing that I believe *shouldn't* happen is for 2.7
> to be released with new features that aren't yet available in a 3.x release.
Which is the point of my suggestion -- correctly read and understood ;-).
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