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
|
// Copyright 2013 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.
#[deriving(Eq, TotalEq, Ord, TotalOrd)]
struct S<T> {
x: T,
y: T
}
pub fn main() {
let s1 = S {x: 1, y: 1};
let s2 = S {x: 1, y: 2};
// in order for both Ord and TotalOrd
let ss = [s1, s2];
for ss.iter().enumerate().advance |(i, s1)| {
for ss.iter().enumerate().advance |(j, s2)| {
let ord = i.cmp(&j);
let eq = i == j;
let lt = i < j;
let le = i <= j;
let gt = i > j;
let ge = i >= j;
// Eq
assert_eq!(*s1 == *s2, eq);
assert_eq!(*s1 != *s2, !eq);
// TotalEq
assert_eq!(s1.equals(s2), eq);
// Ord
assert_eq!(*s1 < *s2, lt);
assert_eq!(*s1 > *s2, gt);
assert_eq!(*s1 <= *s2, le);
assert_eq!(*s1 >= *s2, ge);
// TotalOrd
assert_eq!(s1.cmp(s2), ord);
}
}
}
|
