[Python-ideas] An ABC representing "Iterable, Sized, Container"

[Matthias Kramm]

On Thursday, July 21, 2016 at 1:44:11 PM UTC-7, Guido van Rossum wrote:
>
> I'm beginning to think that it would be useful to add 
> another ABC to collections.abc (and to typing) that represents the 
> intersection of these three ABCs, and to "upgrade" Set and Sequence to 
> inherit from it. (And Mapping.) 
>

+1 on this, from the pytype side of things.
pytype, during type-inference, always struggles to give names to things, 
and having additional structural types around helps. 

Also, I like "Collection" better than Reiterable, since the latter sounds 
too intricate, possibly scaring users away.
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