import scala.actors.Actor._ object Test { case object A def main(args: Array[String]) { val a = actor { var cnt = 0 loop { react { case A => cnt += 1 if (cnt % 2 != 0) continue if (cnt < 10) println("received A") else { println("received last A") exit() } } } } for (i <- 0 until 10) a ! A } }