[swift-evolution] [Proposal]: support disable to trailing closure syntax

[Chris Lattner]

> On Jan 5, 2016, at 8:07 AM, Dennis Lysenko via swift-evolution <swift-evolution at swift.org> wrote:
> 
> Everyone, 
> 
> The sticking point here is that xcode generates the first syntax automatically. 
> 
> Simply filing a radar about this would be useless, so I believe the original proposal is meant to sort-of "light a fire" under the Xcode team; by introducing a new language feature they would be forced to support it. 
> 
> Personally, I think it should just be fixed in Xcode as well, but it's not that simple. 

FWIW, the algorithms used by Swift’s code completion in Xcode are part of sourcekit, which is included in Swift.org.

-Chris