pub fn bispform_bindf(exprs: List(Expr), env: Env) -> Expr

pub fn bispform_case(exprs: List(Expr), env: Env) -> Expr

pub fn bispform_cond(exprs: List(Expr), env: Env) -> Expr

pub fn generate_l4u_process(
  name: String,
  additional_defs: List(#(String, Expr)),
) -> #(L4uObj, Expr)

pub fn l4u_add_defs(
  l4u: L4uObj,
  defs: List(#(String, Expr)),
) -> Result(Expr, a)

pub fn l4u_eval(l4u: L4uObj, exprs: List(Expr)) -> Expr

pub fn l4u_get_main_process() -> L4uObj

pub fn l4u_get_process(name: String) -> Result(L4uObj, String)

pub fn l4u_read_eval(
  l4u: L4uObj,
  src: String,
) -> Result(Expr, String)

pub fn l4u_rep(src: String, l4u: L4uObj) -> Result(Expr, String)

pub fn l4u_rep_native(src: String, l4u: L4uObj) -> a

pub fn l4u_rep_str(src: String, l4u: L4uObj) -> String

pub fn l4u_repl(l4u: L4uObj, prompt: String) -> String

pub fn main() -> String

pub fn main_l4u() -> L4uObj

pub fn make_new_l4u_env(
  additional_defs: List(#(String, Expr)),
  additional_files: List(String),
) -> Env

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

pub fn start_with_defs(defs: List(#(String, Expr))) -> String