6. 1.receive関数のcase節が長い class SequentialComputationActor(replyTo: ActorRef, settings: Settings) extends Actor with Computation1 with Computation2 with Computation3 with Computation4 with Computation5 { def receive: Receive = { case Request(x0) => { val x1 = compute1(x0, settings) val x2 = compute2(x1, settings) val x3 = compute3(x2, settings) val x4 = compute4(x3, settings) val x5 = compute5(x4, s