[swift-evolution] Optional Setting

[Jacob Bandes-Storch]

I filed this as rdar://22469833. It was marked as a duplicate of
rdar://19833281.

Jacob Bandes-Storch

On Tue, Dec 15, 2015 at 2:53 PM, James Campbell via swift-evolution <
swift-evolution at swift.org> wrote:

> Would be great to have a ?= syntax.
>
> So if
>
> var a: [String]? is nil then
>
> a ?= []
>
> will set it with a new array but if it already has a value then it won't
> do anything :)/
>
> --
>  Wizard
> james at supmenow.com
> +44 7523 279 698
>
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>
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