[swift-evolution] Inquiry: Status of SR-122 ?

[Dave Abrahams]

> On Jan 1, 2016, at 4:34 PM, plx via swift-evolution <swift-evolution at swift.org> wrote:
> 
> I was preparing a proposal-sketch relating to this earlier discussion: http://article.gmane.org/gmane.comp.lang.swift.evolution/1629
> 
> …which is largely about inserting "intermediate steps” between `SequenceType` and `CollectionType`, but to get the full benefit would likely wind up requiring modifications to the API on the `*Index` types (e.g. `ForwardIndexType`, which at present is required of a `CollectionType`’s `Index`).
> 
> Searching for prior discussion/work I found this bug: https://bugs.swift.org/browse/SR-122 , and was curious if anything further has happened on that topic?

Yes, Dmitri has been making progress on an implementation.  He may be able to point you at it…

-Dave