[could become a pitch] universal forwarding / implicit conversions

[anandabits (Matthew Johnson)]

@jawbroken

When people have talked about “forwarding” they have generally meant a method of automatically forwarding certain methods and/or property accesses to an instance variable without having to manually write forwarding methods.

Yes. For reference: [Proposal Draft] automatic protocol forwarding. The draft in that thread is out of date. I worked on a second draft incorporating some discussion feedback but that was never published. I will return to it if / when somebody willing to collaborate as an implementer comes along.

@jawbroken

I doubt user-defined implicit conversions will be added, for all the reasons that they were removed (e.g. significant type-checking performance issues, etc)

Swift supports implicit supertype conversions, but is very careful about what subtype relationships exist. I agree that we won't see implicit conversions outside of this narrow scope.