[swift-evolution] [Proposal] Allow enumerating cases in enumerations

Brent Royal-Gordon brent at architechies.com
Mon Jul 4 13:21:10 CDT 2016

> On Jul 4, 2016, at 10:43 AM, Leonardo Pessoa <me at lmpessoa.com> wrote:
> My issue with this being opt-in is third-party libraries.

That's why we have retroactive modeling. :^)

	import SomeEnumKit
	extension SomeEnum: ValuesEnumerable {}

You can extend another module's public enum to add conformance to a protocol, and there's no reason it can't generate the code in your module instead of theirs.

Brent Royal-Gordon

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