pub fn l4u_eval_to_native(l4uobj: L4uObj, src: String) -> a

pub fn l4u_eval_to_str(l4uobj: L4uObj, src: String) -> String

pub fn main() -> String

pub fn start_and_generate_main_l4u(
  additional_defs: List(#(String, Expr)),
) -> L4uObj

pub fn start_main_l4u() -> L4uObj