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// 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 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// ignore-fast
use std::fmt;
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 {
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 += 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 fmt::Show for cat {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f.buf, "{}", self.name)
}
}
fn print_out(thing: ~ToStr, expected: ~str) {
let actual = thing.to_str();
println!("{}", actual);
assert_eq!(actual, expected);
}
pub fn main() {
let nyan: ~ToStr = ~cat(0u, 2, ~"nyan") as ~ToStr;
print_out(nyan, ~"nyan");
}
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