Recursive Macros with C++20 __VA_OPT__ (scs.stanford.edu)

From the recent preview talk at CPPNow I think we're finally getting enum reflection, which should also be able to solve this problem for us.

https://www.youtube.com/watch?v=CwYILWyTRMQ&list=TLPQMTIwODI...

timestamp - 40:47