Implements the Observable use-case for type wrappers as a combination of member, member attribute, and accessor macros. More information on the observation use case on the Swift Forums here: https:...

I've been working on the implementation for attached macros, and I had the chance to implement @Observable from the Future Directions section of the observation pitch. I was able to replicate the functionality in this type wrapper pitch through composition of the various attached macro capabilities. The macro approach provides more flexibility,...