Void in if let motion = motion { // Ճηϯα print(motion.gravity.x) print(motion.gravity.y) // δϟΠϩείʔϓ print(motion.rotationRate.x) print(motion.rotationRate.y) // ࢟ print(motion.attitude.roll) print(motion.attitude.yaw) print(motion.attitude.pitch) } } • ·ͣϋϯυϥΛ༻ҙ