open Lib;;
if not true then raise Not_found;;

(**
       0 CONSTINT 42
       2 PUSHACC0 
       3 MAKEBLOCK1 0
       5 POP 1
       7 SETGLOBAL Lib
       9 CONST1 
      10 BOOLNOT 
      11 BRANCHIFNOT 18
      13 GETGLOBAL Not_found
      15 MAKEBLOCK1 0
      17 RAISE 
      18 ATOM0 
      19 SETGLOBAL T071-boolnot
      21 STOP 
**)