[swift-evolution] Proposal: for loops with return values

[Félix Cloutier]

This has been proposed before and Chris said that it would be out of scope for Swift 3. There is definitely interest in this area though.

Félix

> Le 14 janv. 2016 à 15:30:07, Amir Michail via swift-evolution <swift-evolution at swift.org> a écrit :
> 
> These would be like the unrolled versions of Python’s generator expressions.
> 
> Examples:
> 
> let a:[Int] = for x in l { yield x*2 }
> 
> let b:[(Int,Int)] = for row in 0..<m { for col in 0..<n { yield (row,col) } }
> 
> let c:[(Int,Int)] = for row in 0..<m { for col in 0..<n where row+col < 5 { yield (row,col) } }
> 
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