contract FunctionArguments =

  function sum(n : int, m: int) =
    n + m

  function append(xs : list(string)) =
     switch(xs)
      []      => ""
      y :: ys => String.concat(y, append(ys))

  function menot(b) =
    !b

  function bitsum(b : bits) =
    Bits.sum(b)

  record answer('a) = {label : string, result : 'a}

  function read(a : answer(int)) =
     a.result

  function sjutton(b : bytes(17)) =
     b

  function sextiosju(b : bytes(67)) =
     b

  function trettiotva(b : bytes(32)) =
     b

  function find_oracle(o : oracle(int, bool)) =
     true

  function find_query(q : oracle_query(int, bool)) =
     true

  datatype colour() = Green | Yellow | Red | Pantone(int)

  function traffic_light(c : colour) =
     Red

  function tuples(t : ()) =
     t

  function due(t : Chain.ttl) =
     true