Being able to receive AST in crystal is only good. However have a look here [1], 90% of your macros are covered with those helpers. In Rust doing the same thing

Being able to receive AST in crystal is only good. However have a look here [1], 90% of your macros are covered with those helpers. In Rust doing the same things are either more difficult or impossible. For instance, I wanted in rust to inject allow/warn kind of derives based in env var. Nope. [1] https://crystal-lang.org/reference/syntax_and_semantics/macros.html https://crystal-lang.org/reference/syntax_and_semantics/macr...