blob: bb5c39f5cdea9737b078f0b35cfa19846c89a958 (
plain)
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
72
73
|
// run-pass
use std::cmp::Ordering;
// Test default methods in PartialOrd and PartialEq
//
#[derive(Debug)]
struct Fool(bool);
impl PartialEq for Fool {
fn eq(&self, other: &Fool) -> bool {
let Fool(this) = *self;
let Fool(other) = *other;
this != other
}
}
struct Int(isize);
impl PartialEq for Int {
fn eq(&self, other: &Int) -> bool {
let Int(this) = *self;
let Int(other) = *other;
this == other
}
}
impl PartialOrd for Int {
fn partial_cmp(&self, other: &Int) -> Option<Ordering> {
let Int(this) = *self;
let Int(other) = *other;
this.partial_cmp(&other)
}
}
struct RevInt(isize);
impl PartialEq for RevInt {
fn eq(&self, other: &RevInt) -> bool {
let RevInt(this) = *self;
let RevInt(other) = *other;
this == other
}
}
impl PartialOrd for RevInt {
fn partial_cmp(&self, other: &RevInt) -> Option<Ordering> {
let RevInt(this) = *self;
let RevInt(other) = *other;
other.partial_cmp(&this)
}
}
pub fn main() {
assert!(Int(2) > Int(1));
assert!(Int(2) >= Int(1));
assert!(Int(1) >= Int(1));
assert!(Int(1) < Int(2));
assert!(Int(1) <= Int(2));
assert!(Int(1) <= Int(1));
assert!(RevInt(2) < RevInt(1));
assert!(RevInt(2) <= RevInt(1));
assert!(RevInt(1) <= RevInt(1));
assert!(RevInt(1) > RevInt(2));
assert!(RevInt(1) >= RevInt(2));
assert!(RevInt(1) >= RevInt(1));
assert_eq!(Fool(true), Fool(false));
assert!(Fool(true) != Fool(true));
assert!(Fool(false) != Fool(false));
assert_eq!(Fool(false), Fool(true));
}
|
