+1 from me I think that it makes sense since there exists now a possibility for Obj-C types to come in as types with value semantics.
TJ On Fri, Jul 1, 2016 at 7:37 PM, Joe Groff via swift-evolution < [email protected]> wrote: > Hi everyone. After implementing SE-0072, disabling the implicit bridging > conversions from Swift value types to classes ( > https://github.com/apple/swift-evolution/blob/master/proposals/0072-eliminate-implicit-bridging-conversions.md), > we immediately observed a severe negative impact on Cocoa interop as our > users at Apple adapted to the change, forcing us to roll it back. > `id`-based interfaces are still all over the place in the Cocoa SDKs, but > it's our goal that Swift programmers should be able to use the value type > versions of things without being constantly confronted with marshalling in > and out of their `NS` versions, and this change failed that test for Cocoa > users. Furthermore, the Foundation corelibs team is interested in > continuing to adopt more value types and improving the experience of using > Foundation from Swift without being hamstrung by the limitations of ObjC > interop. We can address the problem of value-type-to-id interfacing in a > different way—instead of making it a special case in the type system, we > can handle it in the Objective-C bridge instead, by bridging Objective-C's > `id` type to `Any` instead of `AnyObject`. This is a big change, but I > think it leads to an overall Swiftier and more flexible model. I'm working > on a proposal to this effect and would like to start getting feedback on > it. Thanks for taking a look! > > > https://github.com/jckarter/swift-evolution/blob/1316004246e45296f81582477d70c22f95ec106c/proposals/XXXX-id-as-any.md > > -Joe > _______________________________________________ > swift-evolution mailing list > [email protected] > https://lists.swift.org/mailman/listinfo/swift-evolution >
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