Its no different in any other language with macros, the data structures are just bigger. It's pretty easy to write a Rust macro or Scala macro that consists of

Its no different in any other language with macros, the data structures are just bigger. It's pretty easy to write a Rust macro or Scala macro that consists of simple data structure manipulation. I have a simple example here: https://github.com/jroesch/pg-typeprovider/blob/master/src/table.rs#L103 https://github.com/jroesch/pg-typeprovider/blob/master/src/t....