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> On Feb 9, 2017, at 1:30 PM, Hooman Mehr via swift-evolution > <[email protected]> wrote: > > >>> On Feb 9, 2017, at 10:47 AM, Joe Groff via swift-evolution >>> <[email protected]> wrote: >>> On Feb 9, 2017, at 4:26 AM, Step Christopher via swift-evolution >>> <[email protected]> wrote: >>> Looks good. Minor comments below: >>> The typealias 'T5' is repeated as both an initial composition, and as a >>> demonstration of combining typealiases. >>> >>>> This proposal merges the concepts of class and AnyObject, which now have >>>> the same meaning: they represent an existential for classes. They are four >>>> solutions to this dilemna: >>>> Do nothing. >>>> Replace all uses of AnyObject by class, breaking source compatibility. >>>> Replace all uses of class by AnyObject, breaking source compatibility. >>>> Redefine AnyObject as typealias AnyObject = class. >>> I agree with other comments on recommending 4 here, and covering the others >>> as alternatives >> I agree that we need the typealias for compatibility. I think it's still >> worth discussing whether the `AnyObject` typealias should *only* be there >> for compatibility; it could be deprecated or obsoleted in Swift 4 or future >> language versions. > > I think it might be worth keeping to provide a more sensible capitalization > alternative than lower case “class” when used as a type name: > > var obj: class // this looks weird because of capitalization. > > var obj: AnyObject // this looks better. I agree that it looks better and would choose AnyObject if source compatibility weren't an issue. One option that wasn't listed was to drop 'class' but use a multi-release deprecation strategy and a fix-it to facilitate a smooth transition. If the community is willing to adopt this approach it would be my first choice. > >> >> -Joe >> _______________________________________________ >> swift-evolution mailing list >> [email protected] >> https://lists.swift.org/mailman/listinfo/swift-evolution > > _______________________________________________ > swift-evolution mailing list > [email protected] > https://lists.swift.org/mailman/listinfo/swift-evolution
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