[swift-evolution] [Pitch] inout with capture variable

[Daniel Resnick]

You can currently achieve the same result if you remove `[inout a]` since
`var`s are captured by reference.

On Wed, Oct 5, 2016 at 9:06 PM, Cao Jiannan via swift-evolution <
swift-evolution at swift.org> wrote:

> for example:
>
> var a = 1
>
> let block = { [inout a] in
>         a += 1
> }
>
> block()
> block()
>
> print(a) // 3
>
>
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