[swift-evolution] [Pre-pitch] Allowing enums inside protocols?

[Jonathan Hull]

I *really* want this as well.

I think there was a serious proposal to do this early in Swift 4.  Not sure why it stalled, but I seem to remember it being technically possible.

Thanks,
Jon

> On Jul 8, 2017, at 4:21 PM, William Shipley via swift-evolution <swift-evolution at swift.org> wrote:
> 
> Does anyone know if there's some good tech reason to not allow, like:
> 
> protocol Foozle {
> 	enum Errors: Error {
> 		case malformedFoozle
> 		case tooManyFoozles
> 	}
> }
> 
> Like, to me all this is doing is giving “Errors” a nice namespace, but the compiler might have other thoughts.
> 
> -W
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