SCALA1

object warsztaty {
  println("Welcome to the Scala worksheet")       //> Welcome to the Scala worksheet
  val list = List(1, 2, 3, 4, 5)                  //> list  : List[Int] = List(1, 2, 3, 4, 5)
  def dodajJeden(arg: Int) = arg + 1              //> dodajJeden: (arg: Int)Int
  list.map(arg=>arg+1).filter(arg=>arg>3)         //> res0: List[Int] = List(4, 5, 6)

}