Are they really going to add $ to C++? Unbelievable. What was wrong with "reflexpr"? It is way more C++'ish than "$".
Update: From Herb's blog :
"Also, a vocal minority in the committee strongly want a syntax that does not include the $ character (not just for $class, but also for $expr reflection) because they have large code bases that use $ in source code that is not C++ code but is processed to emit C++; removing $ is an easy change at any time and we’ll just follow what the committee decides for reflection syntax (in fact, the alternative syntax I showed in the endnote above removes the need to write $). So further work is needed on those items, but fortunately none of it affects the core model."
Update: From Herb's blog :
"Also, a vocal minority in the committee strongly want a syntax that does not include the $ character (not just for $class, but also for $expr reflection) because they have large code bases that use $ in source code that is not C++ code but is processed to emit C++; removing $ is an easy change at any time and we’ll just follow what the committee decides for reflection syntax (in fact, the alternative syntax I showed in the endnote above removes the need to write $). So further work is needed on those items, but fortunately none of it affects the core model."
https://herbsutter.com/2017/07/26/metaclasses-thoughts-on-ge...
P.S. I really hope that vocal minory would win ;)
But overall the proposal is what I have been talking about for a long time.