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// run-pass
#![allow(non_camel_case_types)]
#![allow(dead_code)]
trait noisy {
fn speak(&mut self);
}
#[derive(Clone)]
struct cat {
meows : usize,
how_hungry : isize,
name : String,
}
impl cat {
fn meow(&mut self) {
println!("Meow");
self.meows += 1_usize;
if self.meows % 5_usize == 0_usize {
self.how_hungry += 1;
}
}
}
impl cat {
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 noisy for cat {
fn speak(&mut self) { self.meow(); }
}
fn cat(in_x : usize, in_y : isize, in_name: String) -> cat {
cat {
meows: in_x,
how_hungry: in_y,
name: in_name.clone()
}
}
fn make_speak<C:noisy>(mut c: C) {
c.speak();
}
pub fn main() {
let mut nyan = cat(0_usize, 2, "nyan".to_string());
nyan.eat();
assert!((!nyan.eat()));
for _ in 1_usize..10_usize {
make_speak(nyan.clone());
}
}
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