I guess this is why macros aren't the be-all end-all solution to problems in language design: It's difficult to construct tooling around them. It could be argu

I guess this is why macros aren't the be-all end-all solution to problems in language design: It's difficult to construct tooling around them. It could be argued that "functions" are a form of programming language extension that are friendlier to tools. For programming-language fascinated beginners, this could be a good way of motivating "functions" as a language feature.