1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
// Copyright 2012 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.
// xfail-fast
#[legacy_modes];
trait noisy {
fn speak(&mut self);
}
struct cat {
priv meows : uint,
how_hungry : int,
name : ~str,
}
priv impl cat {
fn meow(&mut self) {
error!("Meow");
self.meows += 1u;
if self.meows % 5u == 0u {
self.how_hungry += 1;
}
}
}
pub impl cat {
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 noisy for cat {
fn speak(&mut self) { self.meow(); }
}
fn cat(in_x : uint, in_y : int, in_name: ~str) -> cat {
cat {
meows: in_x,
how_hungry: in_y,
name: copy in_name
}
}
fn make_speak<C:noisy>(mut c: C) {
c.speak();
}
pub fn main() {
let mut nyan = cat(0u, 2, ~"nyan");
nyan.eat();
fail_unless!((!nyan.eat()));
for uint::range(1u, 10u) |_i| { make_speak(nyan); };
fail_unless!((nyan.eat()));
}
|
