rust/src/test/auxiliary/cci_class_4.rs

#[legacy_exports];
mod kitties {
    #[legacy_exports];

struct cat {
  priv mut meows : uint,

  mut how_hungry : int,
  name : ~str,
}

impl cat {

  fn speak() { self.meow(); }

  fn eat() -> bool {
    if self.how_hungry > 0 {
        error!("OM NOM NOM");
        self.how_hungry -= 2;
        return true;
    }
    else {
        error!("Not hungry!");
        return false;
    }
  }
}

    priv impl cat {
        fn meow() {
            error!("Meow");
            self.meows += 1u;
            if self.meows % 5u == 0u {
                self.how_hungry += 1;
            }
        }
    }

    fn cat(in_x : uint, in_y : int, in_name: ~str) -> cat {
        cat {
            meows: in_x,
            how_hungry: in_y,
            name: in_name
        }
    }

}