struct cat { priv { mut meows : uint, fn nap() { for uint::range(1u, 10u) |_i| { }} } how_hungry : int, fn play() { self.meows += 1u; self.nap(); } } fn cat(in_x : uint, in_y : int) -> cat { cat { meows: in_x, how_hungry: in_y } } fn main() { let nyan : cat = cat(52u, 99); nyan.play(); }