> On Jun 30, 2017, at 6:17 PM, Daryle Walker via swift-evolution > <swift-evolution@swift.org> wrote: > > Given a type MyType, how can I get a type-alias to the type’s protocols? If > MyType conforms to Protocol1 and Protocol2, I would want something like > > typealias MyProtocol = Protocol1 & Protocol2 > > (and Any if MyType doesn’t conform to any protocols). Does this facility > already exist in Swift? I don’t think it does, so I proposed the hybrid > “MyType.Protocol” syntax to express the idea.
Leave the syntax aside. What are you planning to do with this feature? I understand that you want to have some way of saying "composition of all protocols this type conforms to"; I don't understand *why* you want it or what kind of code you would need it for. -- Brent Royal-Gordon Architechies
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