[swift-evolution] Revisiting SE-0110

[Matthew Johnson]

Sent from my iPad

> On Jun 14, 2017, at 11:01 PM, Chris Lattner via swift-evolution <swift-evolution at swift.org> wrote:
> 
> 
>> On Jun 12, 2017, at 10:07 PM, Paul Cantrell <cantrell at pobox.com> wrote:
>> 
>> What’s the status of this Chris’s double parens idea below? It garnered some positive responses, but the discussion seems to have fizzled out. Is there something needed to help nudge this along?
>> 
>> What’s the likelihood of getting this fixed before Swift 4 goes live, and the great wave of readability regressions hits?
> 
> We discussed this in the core team meeting today.  Consensus seems to be that a change needs to be made to regain syntactic convenience here.  Discussion was leaning towards allowing (at least) the parenthesized form, but more discussion is needed.
> 
> 
> One (tangential) thing that came up is that tuple element names in tuple *patterns* should probably be deprecated and removed at some point.  Without looking, what variables does this declare?:
> 
>    let (a : Int, b : Float) = foo()

Another option would be to require let to appear next to each name binding instead of allowing a single let for the whole pattern.  I personally find that much more clear despite it being a little bit more verbose.

> 
> ?
> 
> -Chris
> 
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