show

$ scala 
Welcome to Scala version 2.11.4 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_25).
Type in expressions to have them evaluated.
Type :help for more information.

scala> println("hello") // show
object $read extends scala.AnyRef {
  def <init>() = {
    super.<init>;
    ()
  };
  object $iw extends scala.AnyRef {
    def <init>() = {
      super.<init>;
      ()
    };
    object $iw extends scala.AnyRef {
      def <init>() = {
        super.<init>;
        ()
      };
      val res0 = println("hello")
    }
  }
}
hello

scala>