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

Sash Zats sash at zats.io
Fri Dec 25 22:49:01 CST 2015


That looks exactly what I was thinking of, thanks!

On Fri, Dec 25, 2015 at 8:36 PM Javier Soto <javier.api at gmail.com> wrote:

> I believe what you're looking for is here under "complete generics"
> https://github.com/apple/swift-evolution/blob/master/README.md
> On Fri, Dec 25, 2015 at 8:23 AM Sash Zats <sash at zats.io> wrote:
>
>> 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
>>
>> --
> Javier Soto
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