def testCaseClassCost() {
    var loops = 0
    val foo : List[Int] = List(1,3,5,7)
    def funk(f : List[Int]) {loops += 1}

    var startTime = System.nanoTime
    while(loops < 1000000) {
      funk(List(1,3,5,7))
    }
    var delta = System.nanoTime - startTime
    println("Time with JIT list: " + (delta/1000000L))

    loops = 0
    startTime = System.nanoTime
    while(loops < 1000000) {
      funk(foo)
    }
    delta = System.nanoTime - startTime
    println("Time with prebuilt list: " + (delta/1000000L))
  }