"Global refactors" work well with type system support, and not at all otherwise - and more modern languages do tend to come with better such support. Even for C

"Global refactors" work well with type system support, and not at all otherwise - and more modern languages do tend to come with better such support. Even for C++ itself, LLVM has a few bespoke tools to help you refactor old code as suggested by the semi-official C++ Core Guidelines - of course not all possible "refactors" are equally supported!