package FoldOrder;

import Vector :: *;

function Action displayabc (a abc) provisos (Bits #(a, sa));
    action
      $display ("%d", abc);
    endaction
endfunction

function Action display_list (Vector #(n,a) my_list) provisos (Bits # (a,sa));
     action
       joinActions ( map (displayabc, my_list));
     endaction
endfunction

function Int #(5) sub(Int #(5) a, Int #(5) b);
    return (a - b);
endfunction

module mkTestbench_FoldOrder();
   Vector #(6,Int #(5)) my_list1 = cons(0, cons (1, cons (2, cons (3, cons (4, cons (5, nil))))));

   rule fire_once (True);
      $display("Folding sub  over [0..5] = %d", fold (sub, my_list1));
      if (fold(sub,my_list1) != 1)
        $display ("Simulation Fails");
      else
        $display ("Simulation Passes");
	  $finish(2'b00);
   endrule

endmodule : mkTestbench_FoldOrder
endpackage : FoldOrder