type Wibble {
  Wibble(x: Int, y: Int)
  Wobble(x: Int)
}

fn sum(w: Wibble) -> Int {
  case w {
    Wibble(x:, y:) -> x + y
    Wobble(x:) -> x
  }
}

pub fn main() {
  let wibble = Wibble(x: 30, y: 35)
  let wobble = Wobble(x: 40)

  sum(wibble) + sum(wobble)
}