> On Feb 20, 2017, at 12:07 PM, Tino Heth via swift-evolution > <[email protected]> wrote: > > Obviously, this won't become an accepted proposal - neither the time nor the > author would be appropriate for such a result. > But the list seems a little bit bored lately, so maybe a relaxed discussion > without practical implications isn't the worst thing to have now ;-) > > Several current threads seem to cry for sum types, so imho it is a valid > question what's wrong with them, and why Swift prefers enums instead.
Enums in Swift *are* sum types. There are various ergonomic issues with their usability, perhaps, but any implementation of sum types would be different sugar over the same underlying semantic model. -Joe _______________________________________________ swift-evolution mailing list [email protected] https://lists.swift.org/mailman/listinfo/swift-evolution
