> On Jun 26, 2016, at 2:20 AM, Félix Cloutier <[email protected]> wrote:
> 
> There have been proposals about that, revolving around creating a new tuple 
> syntax for fixed-size arrays, like (Int x 5), and adding a subscript to them. 
> IIRC, the sentiment was largely positive but people couldn't agree on the 
> specific syntax.
> 
> I pushed a little bit for CollectionType on these, regardless of the type 
> syntax (could have been (Int, Int, Int, Int, Int) for all I was concerned), 
> but there were apparently important implementation challenges stemming from 
> tuples being non-nominal types.
> 
> https://lists.swift.org/pipermail/swift-evolution/Week-of-Mon-20160208/009682.html
>  
> <https://lists.swift.org/pipermail/swift-evolution/Week-of-Mon-20160208/009682.html>
> 
> I would like to revive this discussion, but I'm afraid that we're getting 
> late for the Swift 3 release.

>From a quick look, the previous threads’ tuple-array quasi-equivalence would 
>work for one-dimensional arrays, but I want to go beyond what C has and do 
>multi-dimensional arrays too (co-equal coordinates, not just C’s nested 
>arrays).  Of course a non-linear structure brings questions on how to 
>visit/traverse every element; the existing sequence and collection protocols 
>assume linearity, as well as the “for” statements that use said conforming 
>types.

— 
Daryle Walker
Mac, Internet, and Video Game Junkie
darylew AT mac DOT com 

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