gistfile1.scala

object ord {
    abstract trait Converter[Dupa, T] {
        def apply(a: String): T
    }

    class Dupa(s: String) {
        def or[T](a: T)(implicit conv: Converter[Dupa, T]): T = conv(s)
    }

    object Dupa {
        implicit object IntConv extends Converter[Dupa, Int] {
            def apply(a: String) = a.toInt
        }

        implicit object DoubleConv extends Converter[Dupa, Double] {
            def apply(a: String) = a.toDouble
        }
    }

    def main(a: Array[String]) {
        val dupa = new Dupa("4")
        val a: Int = dupa or 1
        println(a)
    }
}