[swift-evolution] C-style For Loops

[Douglas Gregor]

> On Dec 3, 2015, at 3:32 PM, Erica Sadun <erica at ericasadun.com> wrote:
> 
> Does Swift still needs C-style for loops with conditions and incrementers? 
> 
> <Screen Shot 2015-12-03 at 4.30.15 PM.png>
> 
> More Swift-like construction is already available with for-in-statements and stride. 
> This would naturally starve the most common point for -- and ++ operators as well.

My intuition *completely* agrees that Swift no longer needs C-style for loops. We have richer, better-structured looping and functional algorithms. That said, one bit of data I’d like to see is how often C-style for loops are actually used in Swift. It’s something a quick crawl through Swift sources on GitHub could establish. If the feature feels anachronistic and is rarely used, it’s a good candidate for removal.

	- Doug


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