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
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
// run-pass
#![allow(dead_code)]
// compile-flags: -g
// ignore-asmjs wasm2js does not support source maps yet
#[derive(PartialEq, Eq)]
struct NewBool(bool);
#[derive(PartialEq, Eq)]
enum Direction {
North,
East,
South,
West
}
#[derive(PartialEq, Eq)]
struct Foo {
bar: Option<Direction>,
baz: NewBool
}
#[derive(PartialEq, Eq)]
enum EnumWithStructVariants {
Variant1(bool),
Variant2 {
dir: Direction
}
}
const TRUE_TRUE: (bool, bool) = (true, true);
const NONE: Option<Direction> = None;
const EAST: Direction = Direction::East;
const NEW_FALSE: NewBool = NewBool(false);
const STATIC_FOO: Foo = Foo { bar: Some(Direction::South), baz: NEW_FALSE };
const VARIANT2_NORTH: EnumWithStructVariants = EnumWithStructVariants::Variant2 {
dir: Direction::North };
pub mod glfw {
#[derive(Copy, Clone, PartialEq, Eq)]
pub struct InputState(usize);
pub const RELEASE : InputState = InputState(0);
pub const PRESS : InputState = InputState(1);
pub const REPEAT : InputState = InputState(2);
}
fn issue_6533() {
fn action_to_str(state: glfw::InputState) -> &'static str {
use glfw::{RELEASE, PRESS, REPEAT};
match state {
RELEASE => { "Released" }
PRESS => { "Pressed" }
REPEAT => { "Repeated" }
_ => { "Unknown" }
}
}
assert_eq!(action_to_str(glfw::RELEASE), "Released");
assert_eq!(action_to_str(glfw::PRESS), "Pressed");
assert_eq!(action_to_str(glfw::REPEAT), "Repeated");
}
fn issue_13626() {
const VAL: [u8; 1] = [0];
match [1] {
VAL => unreachable!(),
_ => ()
}
}
fn issue_14576() {
type Foo = (i32, i32);
const ON: Foo = (1, 1);
const OFF: Foo = (0, 0);
match (1, 1) {
OFF => unreachable!(),
ON => (),
_ => unreachable!()
}
#[derive(PartialEq, Eq)]
enum C { D = 3, E = 4 }
const F : C = C::D;
assert_eq!(match C::D { F => 1, _ => 2, }, 1);
// test gaps
#[derive(PartialEq, Eq)]
enum G { H = 3, I = 5 }
const K : G = G::I;
assert_eq!(match G::I { K => 1, _ => 2, }, 1);
}
fn issue_13731() {
#[derive(PartialEq, Eq)]
enum A { AA(()) }
const B: A = A::AA(());
match A::AA(()) {
B => ()
}
}
fn issue_15393() {
#![allow(dead_code)]
#[derive(PartialEq, Eq)]
struct Flags {
bits: usize
}
const FOO: Flags = Flags { bits: 0x01 };
const BAR: Flags = Flags { bits: 0x02 };
match (Flags { bits: 0x02 }) {
FOO => unreachable!(),
BAR => (),
_ => unreachable!()
}
}
fn main() {
assert_eq!(match (true, false) {
TRUE_TRUE => 1,
(false, false) => 2,
(false, true) => 3,
(true, false) => 4
}, 4);
assert_eq!(match Some(Some(Direction::North)) {
Some(NONE) => 1,
Some(Some(Direction::North)) => 2,
Some(Some(EAST)) => 3,
Some(Some(Direction::South)) => 4,
Some(Some(Direction::West)) => 5,
None => 6
}, 2);
assert_eq!(match (Foo { bar: Some(Direction::West), baz: NewBool(true) }) {
Foo { bar: None, baz: NewBool(true) } => 1,
Foo { bar: NONE, baz: NEW_FALSE } => 2,
STATIC_FOO => 3,
Foo { bar: _, baz: NEW_FALSE } => 4,
Foo { bar: Some(Direction::West), baz: NewBool(true) } => 5,
Foo { bar: Some(Direction::South), baz: NewBool(true) } => 6,
Foo { bar: Some(EAST), .. } => 7,
Foo { bar: Some(Direction::North), baz: NewBool(true) } => 8
}, 5);
assert_eq!(match (EnumWithStructVariants::Variant2 { dir: Direction::North }) {
EnumWithStructVariants::Variant1(true) => 1,
EnumWithStructVariants::Variant1(false) => 2,
EnumWithStructVariants::Variant2 { dir: Direction::West } => 3,
VARIANT2_NORTH => 4,
EnumWithStructVariants::Variant2 { dir: Direction::South } => 5,
EnumWithStructVariants::Variant2 { dir: Direction::East } => 6
}, 4);
issue_6533();
issue_13626();
issue_13731();
issue_14576();
issue_15393();
}
|
