override def accept()

in scala-repl/src/main/scala/spark/ztools.sc [351:362]


    override def accept(obj: Any): Boolean =
      obj match {
        case _: Byte => true
        case _: Short => true
        case _: Boolean => true
        case _: Char => true
        case _: Int => true
        case _: Long => true
        case _: Float => true
        case _: Double => true
        case _ => false
      }