[swift-evolution] Change subscripts to use colons

[Erica Sadun]

On Jul 11, 2016, at 1:21 PM, James Froggatt via swift-evolution <swift-evolution at swift.org> wrote:
> 
> Thanks for letting me know this has been tried before, I'm actually in the process of drafting the proposal now.

I'd hesitate to try to do something off-beat and "blend" them but it amuses me no end that the :-> operator looks so very happy.

subscript(_ position: Int) inout :-> Element { get { … } set { … } }

Nonetheless, I do want to point out that unlike properties, subscripts provide a mapping between a domain and a range so it feels more natural to me to use -> than :.

-- E



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