[swift-evolution] [Pitch] Typed throws

[Xiaodi Wu]

On Fri, Feb 17, 2017 at 1:22 PM, Adrian Zubarev via swift-evolution <
swift-evolution at swift.org> wrote:

> Sure thing, but that’s not what I was asking about. Kevin made a protocol
> that conforms to Error where all the his enums conformed to MyError
> protocol. That way we’re losing all enum cases and are not really a step
> further as before.
>

Sorry, can you elaborate? What do you mean by losing enum cases?

Am 17. Februar 2017 um 20:18:48, David Sweeris (davesweeris at mac.com)
> schrieb:
>
>
> On Feb 17, 2017, at 11:12 AM, Adrian Zubarev via swift-evolution <
> swift-evolution at swift.org> wrote:
>
> Is the throwing type always a protocol? In your example it is, but is this
> going to be always the case?
>
> I think right now, there’s a bit of compiler magic in that you can only
> throw something that conforms to `Error`.
>
> - Dave Sweeris
>
>
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