// 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. struct cat { meows : uint, how_hungry : int, name : String, } 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; } } } impl cat { fn meow(&mut self) { println!("Meow"); self.meows += 1_usize; if self.meows % 5_usize == 0_usize { self.how_hungry += 1; } } } fn cat(in_x : uint, in_y : int, in_name: String) -> cat { cat { meows: in_x, how_hungry: in_y, name: in_name } } pub fn main() { let mut nyan = cat(0_usize, 2, "nyan".to_string()); nyan.eat(); assert!((!nyan.eat())); for _ in 1_usize..10_usize { nyan.speak(); }; assert!((nyan.eat())); }