[swift-evolution] Revisiting SE-0110

[Bouke Haarsma]

On 2017-05-24 19:12:14 +0000, Tony Parker via swift-evolution said:

> Hi everyone,
> 
> We received a pull request in swift-corelibs-foundation which is 
> apparently in response to a language change for SE-0110.
> 
> It turns this perfectly reasonable code:
> 
> -        self.forEach { (keyItem, valueItem) in
> 
> into this:
> 
> 
> +        self.forEach { (arg) in
> +            let (keyItem, valueItem) = arg
> 
> Is that really the design pattern we want to encourage? What was wrong 
> with the previous code?
> 
> (https://github.com/apple/swift-corelibs-foundation/pull/995/files)
> 
> - Tony
> 
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I'm no language designer, nor an compiler engineer. However we should 
definitely be able to use the former expression as it has better 
readability over the latter IMO.

-- 
-Bouke
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