message: added to print xodr lane function
diff: @@ -102,8 +102,10 @@ inline std::string print(const XodrLane& l) {
  std::stringstream ss;
  ss << "id: " << l.get_id() << ", ";
  ss << "position " << l.get_lane_position() << ", ";
  + ss << "type " << l.get_lane_type() << ", ";
  ss << print(l.get_link());
  ss << print(l.get_road_mark());
  + ss << "driving_direction" << l.get_driving_direction() << ", ";
  ss << "speed: " << l.get_speed() << std::endl;
  return ss.str();
  }
  