[swift-users] for with optional collection?

[Maury Markowitz]

> On Feb 10, 2017, at 10:04 AM, Tino Heth via swift-users <swift-users at swift.org> wrote:
> 
> for i in? test {
> 	print(i)
> }
> 
> Imho looks even better, but this would need an extension of the language itself…

Oh, yes please!

Please post on evolution.