on Mon Apr 25 2016, Dmitri Gribenko <swift-evolution@swift.org> wrote:
> On Sun, Apr 24, 2016 at 1:34 PM, David Hart via swift-evolution > <swift-evolution@swift.org> wrote: >> Currently, associated type declarations can only express simple inheritance >> constraints and not the more sophisticated constraints available to generic >> types with the where expression. Some designs, including many in the >> Standard Library, require more powerful constraints for associated types to >> be truly elegant. For example, the SequenceType protocol can be declared as >> follows: > > I completely support this. This feature will unblock many > improvements in the standard library. Currently users of some > protocols have to carry extra constraints in their own type > signatures, but we should be able to hoist these constraints into the > protocol definiton. +1 -- Dave _______________________________________________ swift-evolution mailing list swift-evolution@swift.org https://lists.swift.org/mailman/listinfo/swift-evolution
