many-args: func(
  a1: u64,
  a2: u64,
  a3: u64,
  a4: u64,
  a5: u64,
  a6: u64,
  a7: u64,
  a8: u64,
  a9: u64,
  a10: u64,
  a11: u64,
  a12: u64,
  a13: u64,
  a14: u64,
  a15: u64,
  a16: u64,
  a17: u64,
  a18: u64,
  a19: u64,
  a20: u64,
)

record big-struct {
  a1: string,
  a2: string,
  a3: string,
  a4: string,
  a5: string,
  a6: string,
  a7: string,
  a8: string,
  a9: string,
  a10: string,
  a11: string,
  a12: string,
  a13: string,
  a14: string,
  a15: string,
  a16: string,
  a17: string,
  a18: string,
  a19: string,
  a20: string,
}

big-argument: func(x: big-struct)
