object Texts{
  def textL[T](list: List[T]) = {
    list match{
      case List() => "Empty"
      case List(_) => "One"
      case List(_*) => "Many"
    }
  }

  def textA[T](array: Array[T]) = {
    array match{
      case Array() => "Empty"
      case Array(_) => "One"
      case Array(_*) => "Many"
    }
  }
}

object Test extends App {
  {
    implicit def array2list[T](array: Array[T]) = {
      println(array.toList.size)
      array.toList
    }

    println(Texts textL List())
    println(Texts textL List(1))
    println(Texts textL List(1, 1));

    println(Texts textL Array())
    println(Texts textL Array(1))
    println(Texts textL Array(1, 1))

    println(Texts textA List())
    println(Texts textA List(1))
    println(Texts textA List(1, 1));

    println(Texts textA Array())
    println(Texts textA Array(1))
    println(Texts textA Array(1, 1))
  }

  {
    implicit def array2list[T](array: Array[T]) = array.toList
    def size[T](list: List[T]) = list.size

    assert(size(array2list(Array())) == 0)
    assert(size(Array()) == 0)
  }
}