override def compare()

in app/lib/OrderingImplicits.scala [11:16]


    override def compare(x: Option[T], y: Option[T]) = (x, y) match {
      case (None, None)       => 0
      case (None, _)          => 1
      case (_, None)          => -1
      case (Some(x), Some(y)) => ord.compare(x, y)
    }