Why not get the best (?) of both worlds with the macro-lisp crate: https://github.com/JunSuzukiJapan/macro-lisp

A small snippet from the project's examples shows minimal boilerplate between Rust and a native-looking Lisp experience: lisp!(defun factorial ((n i32)) i32 (if (<= n 1) 1 (* n (factorial (- n 1)))));