[swift-users] Unimplemented types in Swift 4 KeyPaths

[Brett Walker]

On 6/21/17 10:05 AM, Joe Groff wrote:
> Support for these did not make it into Xcode 9 beta 1. They are available in swift.org snapshot toolchains, if you want to experiment with them now, and should be in a future seed of Xcode 9.
> 
> -Joe
> 

Thanks for the information, Joe. I'll try to dig into the snapshot. 
Hopefully they'll actually work in the generic way I need them to!

regards,
-brett