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> On Jan 6, 2017, at 11:04 PM, Russ Bishop <[email protected]> wrote: > > >> On Jan 4, 2017, at 8:48 PM, Douglas Gregor via swift-evolution >> <[email protected]> wrote: >> >> >>> >>> Would love to see this come forward into discussion. >> >> 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. >> >> - Doug > > By this are you referring to generalized existentials? Yes. I actually prefer the term "generalized existentials". > If so I’ll say this is such a constant pain point and perverts so many API > designs… not to mention vomiting AnyXYZ type-erased wrappers everywhere… In > my completely non-authoritative personal opinion we shouldn’t ship Swift 4 > without it :) To be absolutely clear, I think this is an extremely important feature. It's also a significant undertaking in both design and implementation. - Doug _______________________________________________ swift-evolution mailing list [email protected] https://lists.swift.org/mailman/listinfo/swift-evolution
