[swift-evolution] Optional Setting

[Greg Titus]

I think that the existing syntax for “??” handles this need fairly well without requiring an additional assignment operator:

	a = a ?? []

- Greg

> On 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 <mailto:james at supmenow.com>
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