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
|
//@ run-pass
// Issue 15523: derive(PartialOrd) should use the provided
// discriminant values for the derived ordering.
//
// This is checking the basic functionality.
#[derive(PartialEq, PartialOrd)]
enum E1 {
Pos2 = 2,
Neg1 = -1,
Pos1 = 1,
}
#[derive(PartialEq, PartialOrd)]
#[repr(u8)]
enum E2 {
Pos2 = 2,
PosMax = !0 as u8,
Pos1 = 1,
}
#[derive(PartialEq, PartialOrd)]
#[repr(i8)]
enum E3 {
Pos2 = 2,
Neg1 = -1_i8,
Pos1 = 1,
}
fn main() {
assert!(E1::Pos2 > E1::Pos1);
assert!(E1::Pos1 > E1::Neg1);
assert!(E1::Pos2 > E1::Neg1);
assert!(E2::Pos2 > E2::Pos1);
assert!(E2::Pos1 < E2::PosMax);
assert!(E2::Pos2 < E2::PosMax);
assert!(E3::Pos2 > E3::Pos1);
assert!(E3::Pos1 > E3::Neg1);
assert!(E3::Pos2 > E3::Neg1);
}
|
