function choose(flag: bool, values: Array<int>) -> int {
  let label = "value {values[0]}"
  let expanded = [1, ...values]
  let point = { x: 1, y: 2 }
  let apply = (value: int) => value + 1
  let pipeline = 1 + 2 * 3 |> apply >> show ?? fallback
  let powered = -2 ** 3 ** 2
  if flag { apply(expanded[0]) } else { point.x }
}