On Thu, Nov 17, 2016 at 8:30 AM, Joe Watkins <pthre...@pthreads.org> wrote:

> Morning,
>
> Just to chime in ... can you split the PR into the RFC, and the new thing
> please.
>
> Just another question on how we could make objects that have
> count_elements (which is in object handlers) implement an interface on the
> class entry (which is detached from handlers) ?
>

> I'm sure it's doable, but it doesn't look very straight forward, some kind
> of hacking in instanceof maybe ... not sure ...
>

I don't think this needs any magic. We simply implement the interface by
convention. Just like you are supposed to implement Traversable if you're
implementing get_iterator. Similarly you should implement Countable if
you're using count_elements.

Nikita

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