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(* Check the actual lifecycle formula structure *)

open Nock_lib

let () =
  let formula = Noun.cell
    (Noun.atom 2)
    (Noun.cell
      (Noun.cell (Noun.atom 0) (Noun.atom 3))
      (Noun.cell (Noun.atom 0) (Noun.atom 2)))
  in

  Printf.printf "Lifecycle formula: [2 [0 3] [0 2]]\n";
  Printf.printf "Formula is cell: %b\n" (Noun.is_cell formula);

  let h = Noun.head formula in
  let t = Noun.tail formula in

  Printf.printf "Head (opcode): ";
  (match h with
  | Noun.Atom { z; _ } -> Printf.printf "atom %s\n" (Z.to_string z)
  | Noun.Cell _ -> Printf.printf "cell\n");

  Printf.printf "Tail (gal): cell\n";

  let b_gal = Noun.head t in  (* [0 3] *)
  let c_gal = Noun.tail t in  (* [0 2] *)

  Printf.printf "b_gal ([0 3]): ";
  (match b_gal with
  | Noun.Atom _ -> Printf.printf "atom\n"
  | Noun.Cell { h; t; _ } ->
      Printf.printf "cell [";
      (match h with Noun.Atom { z; _ } -> Printf.printf "%s " (Z.to_string z) | _ -> ());
      (match t with Noun.Atom { z; _ } -> Printf.printf "%s" (Z.to_string z) | _ -> ());
      Printf.printf "]\n");

  Printf.printf "c_gal ([0 2]): ";
  (match c_gal with
  | Noun.Atom _ -> Printf.printf "atom\n"
  | Noun.Cell { h; t; _ } ->
      Printf.printf "cell [";
      (match h with Noun.Atom { z; _ } -> Printf.printf "%s " (Z.to_string z) | _ -> ());
      (match t with Noun.Atom { z; _ } -> Printf.printf "%s" (Z.to_string z) | _ -> ());
      Printf.printf "]\n")