DuckTyping.scala

test.scala

package test

object Template {

  case object A {
    def apply(i:Int) = "A " + i
  }

  case object B {
    def apply() = "B"
  }

  case object C {
    def apply(i:Int) = "C " + i
  }


  def test(i:Int, o:{def apply(i:Int):String}) = o(i)
  def test(o:{def apply():String}) = o()


  println(test(1, A))
  println(test(1, C))
  println(test(B))

}