def method_missing(int i, string method_name, Vector params) {
  "method_missing called : " + to_string(i) + "." + method_name + "(" + to_string(params[0]) + ", " + to_string(params[1]) + ")";
}


assert_true(5.bob(3,4) == "method_missing called : 5.bob(3, 4)" )