ionlang / ionlang

module global;

extern puts(i8* msg) -> i32;

extern printf(i8* format, ...) -> i32;

struct Animal {
  i8* id;

  ui8 age;

  fn sayName() { puts(this.id); }
}

struct Dog extends Animal {
  fn bark() -> void { printf("%s barks woof woof!", this.id); }

  fn computeAgeInHumanYears() -> ui8 { return this.age * 7; }
}

fn main(i32 argc) -> i32 {
  let mikewazowski = Dog{
    "Mikewazowski",
    7
  };

  mikewazowski.bark();

  printf("%s is %s years old (%s in human years).",
    mikewazowski.id,
    mikewazowski.age,
    mikewazowski.computeAgeInHumanYears());

  return 0;
}