[swift-evolution] Allow trailing comma in guard, if-let, et al

[Rick Mann]

> On Aug 17, 2016, at 18:11 , Ben Rimmington <me at benrimmington.com> wrote:
> 
> 
>> On 18 Aug 2016, at 00:13, Rick Mann wrote:
>> 
>> Is there any reason Swift can't allow a trailing comma in constructs like this:
>> 
>> guard
>>   let a = ...,
>>   let b = ...,
>>   let c = ...,
>> else
>> {
>> }
>> 
>> doing so makes it a bit easier to rearrange lines, and is similar to the trailing comma allowed inside array and dictionary definitions:
>> 
>> let a = [ 1, 2, 3, ]
> 
> A similar proposal was rejected:
> 
> <https://lists.swift.org/pipermail/swift-evolution-announce/2016-May/000171.html>

Thanks. Hmm. The stated arguments seem to apply to tuples and parameter lists, not variable bindings.

-- 
Rick Mann
rmann at latencyzero.com