gistfile1.txt

    class Dupa(val a: Int, val b: Int) {
        override def toString = "Dupa" + a + ": " + b
    }


    case object Dupa {
        def apply(a: Int, b: Int) = new Dupa(a, b)

        def unapply(s: String) = s.split(":") match {
            case Array(a, b) => Some(Dupa(a.toInt, b.toInt))
            case _ => None
        }
        def unapply(s: AnyRef) = s match {
            case d:Dupa => Some((d.a, d.b))
            case _ => None
        }
    }