It’s also the same as:
typealias CombinedProtocol = TrackCountProvider & PublishDateProvier
extension CombinedProtocol { }
I, too, find the distinction largely pointless, but I’m not a language designer.
Jon
> On Oct 20, 2016, at 11:30 PM, Cao Jiannan via swift-evolution
> <[email protected]> wrote:
>
> It is just same as current grammar:
>
> extension TrackCountProvider where Self : PublishDateProvider { ... }
>
> with a more logical format
>
> extension TrackCountProvider & PublishDateProvider { ... }
>
> > e.g.
> >
> > extensionTrackCountProvider&PublishDateProvider{
> > vartrackCountAndPublishDateText:String{
> > varinfos: [String] = []
> >
> > iflettrackCount = trackCount{
> > infos.append("\(trackCount)")
> >
> > }
> >
> > ifletpublishDateText = publishDate?.text {
> > infos.append(publishDateText)
> > }
> >
> > returninfos.joined(separator: seperator)
> > }
> > }
> >
> >
> >
> >
> >
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