//@ run-pass #![allow(dead_code)] #![allow(non_camel_case_types)] struct cat { meows : usize, how_hungry : isize, 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 : usize, in_y : isize, 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())); }