Interesting way to think of the ‘->’ operator. Perhaps a <-> operator could represent this two-way mapping?
> On 11 Jul 2016, at 20:29, Erica Sadun <[email protected]> wrote: > > On Jul 11, 2016, at 1:21 PM, James Froggatt via swift-evolution > <[email protected] <mailto:[email protected]>> 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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