File: scala.actual

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object abstractTypes extends Application {
  abstract class Buffer {
    type T; val element: T
  }
  abstract class SeqBuffer {
    type T; val element: Seq[T]; def length = element.length
  }
  def newIntBuffer(el: Int) = new Buffer {
    type T = Int; val element = el
  }
  def newIntBuffer(el: Int*) = new SeqBuffer {
    type T = Int; val element = el
  }
  println(newIntBuffer(1).element)
  println(newIntBuffer(1, 2, 3).length)
}