patterns1213.scala

来自「JAVA 语言的函数式编程扩展」· SCALA 代码 · 共 12 行

abstract class MapLocation(ID:int) {
  abstract class Message
  case class ReceivePlayer(id: int) extends Message

  def foo(p: Message) {
    p match {
      case ReceivePlayer(ID) =>
        ()
    }
  }
}