> Am 11.06.2016 um 14:44 schrieb Matthew Johnson <matt...@anandabits.com>: > > > > Sent from my iPad > >> On Jun 11, 2016, at 7:31 AM, Thorsten Seitz via swift-evolution >> <swift-evolution@swift.org> wrote: >> >> >>>> Am 11.06.2016 um 14:23 schrieb Brent Royal-Gordon <br...@architechies.com>: >>>> >>>> The only magic would be that all type definitions (`protocol` etc.) which >>>> do not give a supertype they conform to, will implicitly conform to `Any`, >>>> i.e. >>>> >>>> protocol Foo { … } >>>> >>>> means >>>> >>>> protocol Foo : Any { … } >>> >>> Any is also the supertype of all structural types, and structural types >>> cannot conform to protocols. >> >> AFAIK Swift does not support structural types and I am not sure whether we >> should change that. In that case `Any` would become magic, yes. > > Functions and tuples are structural types, although it is probably possible > to make tuples syntactic sugar for a Tuple type of we get the necessary > variadic generics support.
That's right, I forgot about them. Still I'd prefer the magic of having on type being the top type to having some syntax which does not work for structural types either and derive a top type from it. -Thorsten > >> >> -Thorsten >> _______________________________________________ >> swift-evolution mailing list >> swift-evolution@swift.org >> https://lists.swift.org/mailman/listinfo/swift-evolution > _______________________________________________ swift-evolution mailing list swift-evolution@swift.org https://lists.swift.org/mailman/listinfo/swift-evolution