program main
  fn maybe_value() -> (option i32)
    some i32
      int 42
  fn maybe_empty() -> (option i32)
    none i32
  fn maybe_wide_value() -> (option i64)
    some i64
      i64 2147483648
  fn maybe_wide_empty() -> (option i64)
    none i64
  fn maybe_float_value() -> (option f64)
    some f64
      float 42.5
  fn maybe_float_empty() -> (option f64)
    none f64
  fn maybe_flag_value() -> (option bool)
    some bool
      bool true
  fn maybe_flag_empty() -> (option bool)
    none bool
  fn maybe_string_value() -> (option string)
    some string
      string "slovo"
  fn maybe_string_empty() -> (option string)
    none string
  fn result_ok() -> (result i32 i32)
    ok i32 i32
      int 42
  fn result_err() -> (result i32 i32)
    err i32 i32
      int 7
  fn main() -> i32
    int 0