// Copyright 2012 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. pub mod kitty { use std::fmt; pub struct cat { meows : uint, pub how_hungry : int, pub name : String, } impl fmt::Show for cat { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { write!(f, "{}", self.name) } } impl cat { fn meow(&mut self) { println!("Meow"); self.meows += 1u; if self.meows % 5u == 0u { self.how_hungry += 1; } } } impl cat { pub fn speak(&mut self) { self.meow(); } pub fn eat(&mut self) -> bool { if self.how_hungry > 0 { println!("OM NOM NOM"); self.how_hungry -= 2; return true; } else { println!("Not hungry!"); return false; } } } pub fn cat(in_x : uint, in_y : int, in_name: String) -> cat { cat { meows: in_x, how_hungry: in_y, name: in_name } } }