// error-pattern: attempted access of field `eat` on type `@noisy` trait noisy { fn speak(); } struct cat { priv mut meows : uint, mut how_hungry : int, name : ~str, } impl cat { fn eat() -> bool { if self.how_hungry > 0 { error!("OM NOM NOM"); self.how_hungry -= 2; return true; } else { error!("Not hungry!"); return false; } } } impl cat : noisy { fn speak() { self.meow(); } } priv impl cat { fn meow() { error!("Meow"); self.meows += 1; if self.meows % 5 == 0 { 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 } } fn main() { let nyan : noisy = cat(0, 2, ~"nyan") as noisy; nyan.eat(); }