[swift-evolution] [Proposal] allow protocol extensions to contain inheritance clauses

Sash Zats sash at zats.io
Fri Dec 25 10:23:11 CST 2015

That would be great! Is there a comprehensive list of features that made it
under the cut?
All I'm finding points to swift-evolution repo and API design guidelines.

On Fri, Dec 25, 2015 at 8:09 AM Javier Soto <javier.api at gmail.com> wrote:

> If I understood your proposal correctly, this is already planned to be
> possible in Swift 3 :)
> On Thu, Dec 24, 2015 at 9:05 PM Sash Zats via swift-evolution <
> swift-evolution at swift.org> wrote:
>> Hello,
>> I ran into several cases when it would be desirable to add an inheritance
>> clause B in the protocol extension A. Briefly, my proposal is that compiler
>> should not produce an error once `extension A: B` implements all the
>> functions of the protocol B, making it formally confirming to it. Sadly,
>> currently, there is no elegant way to mark the conformance formally.
>> A more detailed draft can be found here
>> https://gist.github.com/zats/52476a83627f5e4c0a85
>> I would really appreciate your feedback and thoughts on this.
>> Thank you.
> _______________________________________________
>> swift-evolution mailing list
>> swift-evolution at swift.org
>> https://lists.swift.org/mailman/listinfo/swift-evolution
> --
> Javier Soto
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