1 // Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 #![feature(box_syntax)]
23 pub fn speak(&mut self) { self.meow(); }
25 pub fn eat(&mut self) -> bool {
26 if self.how_hungry > 0 {
27 println!("OM NOM NOM");
32 println!("Not hungry!");
42 if self.meows % 5 == 0 {
48 fn cat(in_x : usize, in_y : isize, in_name: String) -> cat {
56 impl fmt::Display for cat {
57 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
58 write!(f, "{}", self.name)
62 fn print_out(thing: Box<ToString>, expected: String) {
63 let actual = (*thing).to_string();
64 println!("{}", actual);
65 assert_eq!(actual.to_string(), expected);
69 let nyan: Box<ToString> = box cat(0, 2, "nyan".to_string()) as Box<ToString>;
70 print_out(nyan, "nyan".to_string());