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

[Matthew Johnson]

Sent from my iPhone

> On May 13, 2016, at 3:16 PM, Joe Groff <jgroff at apple.com> wrote:
> 
> 
>> On May 13, 2016, at 1:06 PM, Matthew Johnson via swift-evolution <swift-evolution at swift.org> wrote:
>> 
>> Is anyone planning to write a proposal for this?
> 
> Sounds like you just signed up!

Lol, sounds good.  Just don't want to duplicate efforts! :)

> 
> -Joe
> 
>> Sent from my iPhone
>> 
>>> On May 13, 2016, at 3:02 PM, Jacob Bandes-Storch via swift-evolution <swift-evolution at swift.org> wrote:
>>> 
>>> +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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