I think this PEP doesn't include one big disadvantage of the + operator.

If we use + for dict merging, set doesn't support + looks strange
and inconsistent.

And if we add + to set too, set has three way (method, |, and +) to do merging.

Then, all builtin container classes support +.  It looks + is the common
way to merge two containers in some way.  Shouldn't we add it to abc?

So I think we shouldn't focus just adding `+` to dict.  It comes with huge
side effect.  We should think about general API design of the (esp. builtin)
containers.

Regards,
-- 
Inada Naoki  <[email protected]>
_______________________________________________
Python-ideas mailing list -- [email protected]
To unsubscribe send an email to [email protected]
https://mail.python.org/mailman3/lists/python-ideas.python.org/
Message archived at 
https://mail.python.org/archives/list/[email protected]/message/5UWXVBMPRCVA36VAAIFG3GGSCVBR4WLA/
Code of Conduct: http://python.org/psf/codeofconduct/

Reply via email to