Yes they're still used. C++ heavily uses them as you've guessed. Off the top of my head QEMU also uses them as a way to register all the machine variants it s

Yes they're still used. C++ heavily uses them as you've guessed. Off the top of my head QEMU also uses them as a way to register all the machine variants it supports internally without having big per arch tables in source that everyone needs to constantly have merge conflicts with.