On Sat, Jan 14, 2017 at 3:41 PM, Dave Abrahams via swift-evolution < [email protected]> wrote:
> > on Fri Jan 13 2017, John McCall <[email protected]> wrote: > > > I'm also not sure we'd ever want the element type to be inferred from > > context like this. Generic subscripts as I see it are about being > > generic over *indexes*, not somehow about presenting a polymorphic > > value. > > Actually I *would* want to be able to do that, though I admit it's the > 1% case (or less). > 1%? Wouldn't many JSON libraries, for instance, be eager to take advantage of this?
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