> On Nov 25, 2017, at 3:16 PM, Chris Lattner via swift-evolution > <swift-evolution@swift.org> wrote: > > Just to talk to myself a bit here, but I’ve come to realize that the right > design really is to have a simple empty marker protocol like this:
If you're reaching this point. why have a marker protocol at all? Why not treat `subscript(dynamicMember:)` specially on any type that has it, or have an `@dynamicMember subscript(_:)` attribute, or introduce an entire new `dynamicMember(_:)` declaration? -- Brent Royal-Gordon Architechies
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