// Copyright 2012-2014 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. // ignore-fast struct cat { meows : uint, how_hungry : int, name : ~str, } impl cat { pub fn speak(&mut self) { self.meow(); } pub fn eat(&mut self) -> bool { if self.how_hungry > 0 { error!("OM NOM NOM"); self.how_hungry -= 2; return true; } else { error!("Not hungry!"); return false; } } } impl cat { fn meow(&mut self) { error!("Meow"); self.meows += 1u; if self.meows % 5u == 0u { 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 } } impl ToStr for cat { fn to_str(&self) -> ~str { self.name.clone() } } fn print_out(thing: ~ToStr, expected: ~str) { let actual = thing.to_str(); info!("{}", actual); assert_eq!(actual, expected); } pub fn main() { let nyan: ~ToStr = ~cat(0u, 2, ~"nyan") as ~ToStr; print_out(nyan, ~"nyan"); }