On: A Guide to Porting C/C++ to Rust

[maxxxxx]

What you are saying is probably true but it's also sad. That's why we end up with languages without preprocessor or multiple inheritance because some people misuse these extremely useful features.

[iopq → maxxxxx]

You don't need a preprocessor. Lisp-style macros are much easier to use due to hygiene and in general not being text-based.