[swift-evolution] Quick question: Constraint Aliasing

[David Hart]

I have the impression this would be simple enough because it would only live in the parser. But I'm no expert.

> On 12 May 2017, at 01:50, Erica Sadun via swift-evolution <swift-evolution at swift.org> wrote:
> 
> Can anyone give me a rough estimate of how hard (in terms of coding, not in terms of Swift Evolution process) it would be to adopt (1) `extension Set<ShippingOptions>` as an outright alias for `extension Set where Element == ShippingOptions` and (2) `extension [ShippingOptions]` for `extension Array where Element == ShippingOptions`?
> 
> Thanks,
> 
> -- E
> 
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