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

func main() {
  var list = [0, 1, 2, 3, 4, 5, 6]
  func x(a, b) {
    return a - b
  }
  var reduced = list.reduce(-1, x) //-22
  if (reduced != -22) {
    return false
  }
  var list2 = ["this","is","a","test"]
  func y(a, b) {
    return a + b
  }
  reduced = list2.reduce("", y)
  if (reduced != "thisisatest") {
    return false
  }
  return true
}