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
|
// 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.
#[derive(Copy, Clone, Debug)]
enum foo { large, small, }
impl PartialEq for foo {
fn eq(&self, other: &foo) -> bool {
((*self) as usize) == ((*other) as usize)
}
fn ne(&self, other: &foo) -> bool { !(*self).eq(other) }
}
pub fn main() {
let a = (1, 2, 3);
let b = (1, 2, 3);
assert_eq!(a, b);
assert!((a != (1, 2, 4)));
assert!((a < (1, 2, 4)));
assert!((a <= (1, 2, 4)));
assert!(((1, 2, 4) > a));
assert!(((1, 2, 4) >= a));
let x = foo::large;
let y = foo::small;
assert!((x != y));
assert_eq!(x, foo::large);
assert!((x != foo::small));
}
|
