[swift-users] Compact iteration of optional collection?

[Jacob Bandes-Storch]

How about "for item in someOptionalContainer ?? []"  ?

On Thu, Jul 28, 2016 at 2:55 PM, Rick Mann via swift-users <
swift-users at swift.org> wrote:

> I often call methods that return an optional collection. I then iterate
> over it. The problem is, it's a bit cumbersome to write:
>
>      if let container = someOptionalContainer
>     {
>         for item in container
>         {
>         }
>     }
>
> I wish I could just write
>
>     for item in someOptionalContainer
>     {
>     }
>
> such that if the optional is nil, it just skips the iteration altogether.
>
> Is there a syntax for that (especially in Swift 3)?
>
>
> --
> Rick Mann
> rmann at latencyzero.com
>
>
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> swift-users at swift.org
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>
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