BIT_LANE_USE_SHARP_RIGHT
BIT_LANE_USE_SHARP_LEFT
BIT_LANE_USE_UTURN
BIT_LANE_USE_RIGHT
but they are are using OR , so BIT_LANE_USE_RIGHT = BIT_LANE_USE_SLIGHT_LEFT | BIT_LANE_USE_SLIGHT_RIGHT. What is the logic about it?