#unittest {
    name: "List reverse.";
    result: true;
};

func main() {
  var list = [4, 6, 1, 2, 4]
  list.reverse()
  if (list.String() != [4, 2, 1, 6, 4].String()) {//[4,2,1,6,4], list remains unmodified
    return false
  }
  var list2 = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
  list2.reverse()
  if (list2.String() != [10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0].String()) {
    return false
  }
  var list3 = []
  list3.reverse()
  if (list3.String() != [].String()) {
    return false
  }
  return true
}