[swift-evolution] /*Let it be*/ func() -> @discardable Bool {} /*Rather Than*/ @discardableResult func() -> Bool {}

[Mike Kluev]

On 13 October 2017 at 21:15, Jean-Daniel <mailing at xenonium.com> wrote:

> I don’t think this is a good idea to make discardable part of the function
> type.
>
> What would fun(callback: () -> discardable Int) would means ?
>

you mean this?

func foo(callback: () -> discardable Int) {
    ...
    let x = callback()
    ...
    callback() // no warning or error here
}

Mike
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