AILang/examples/test_22b2_instance_present.prose.txt

// module test_22b2_instance_present

class Show a {
  fn show(x: a) -> Str
}

instance Show Int {
  fn show {
    |x: a| -> Str {
      "n"
    }
  }
}

fn main() -> Str {
  show(42)
}