[swift-evolution] Enhanced Existentials
davesweeris at mac.com
Wed Jan 4 23:19:40 CST 2017
> On Jan 4, 2017, at 20:48, Douglas Gregor via swift-evolution <swift-evolution at swift.org> wrote:
> Yeah. I'm less sure about the other enhancements to existentials fitting into Swift 4, e.g., the creation of existentials for protocols with associated types. Although important, it's a big feature that will take a bunch of design and implementation time, and I'm leery of accepting something that we might not actually be able to achieve.
If it's a feature we know we want, it seems that nailing the syntax down, even if we know there isn't time to actually fully implement it in 4.0, would be beneficial simply to prevent it from being a source-breaking change in 4.1.
- Dave Sweeris
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