[swift-evolution] Removing "_ in" from empty closures

[Jacob Bandes-Storch]

+1, seems logical to me:

    let x: [T] = []
    let x: [T:U] = [:]
    let x: T->() = {}

Jacob

On Fri, May 13, 2016 at 10:48 AM, Erica Sadun via swift-evolution <
swift-evolution at swift.org> wrote:

> On May 13, 2016, at 11:14 AM, Cole Campbell via swift-evolution <
> swift-evolution at swift.org> wrote:
> >
> >
> >> +1. In general, I think we should allow implicit arguments, without
> requiring the closure to use all the implicit $n variables like we do
> today. These should all be valid:
> >>
> >> let _: () -> () = {}
> >> let _: (Int) -> () = {}
> >> let _: (Int, Int) -> Int = { 5 }
> >> let _: (Int, Int) -> Int = { $0 }
> >> let _: (Int, Int) -> Int = { $1 }
> >
> > +1. This would be excellent.
>
> +1. Good riddance to bad code baggage.
>
> -- E
>
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