[swift-evolution] Nil-rejection operator

[Rob Mayoff]

On Thu, Feb 9, 2017 at 2:25 PM, Haravikk via swift-evolution <
swift-evolution at swift.org> wrote:

> I wonder if an alternative to the original proposal might be to allow
> throw on the right hand side? So you could do:
>
> let y = x ?? throw myError
>
>
You can do this today:

extension Error {
    func throwMe<R>() throws -> R { throw self }
}

let y = try x ?? MyError().throwMe()
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