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
|
#![warn(clippy::match_same_arms)]
pub enum Abc {
A,
B,
C,
}
fn match_same_arms() {
let _ = match Abc::A {
Abc::A => 0,
Abc::B => 1,
_ => 0, //~ ERROR match arms have same body
};
match (1, 2, 3) {
(1, .., 3) => 42,
(.., 3) => 42, //~ ERROR match arms have same body
_ => 0,
};
let _ = match 42 {
42 => 1,
51 => 1, //~ ERROR match arms have same body
41 => 2,
52 => 2, //~ ERROR match arms have same body
_ => 0,
};
let _ = match 42 {
1 => 2,
2 => 2, //~ ERROR 2nd matched arms have same body
3 => 2, //~ ERROR 3rd matched arms have same body
4 => 3,
_ => 0,
};
}
mod issue4244 {
#[derive(PartialEq, PartialOrd, Eq, Ord)]
pub enum CommandInfo {
BuiltIn { name: String, about: Option<String> },
External { name: String, path: std::path::PathBuf },
}
impl CommandInfo {
pub fn name(&self) -> String {
match self {
CommandInfo::BuiltIn { name, .. } => name.to_string(),
CommandInfo::External { name, .. } => name.to_string(),
}
}
}
}
macro_rules! m {
(foo) => {};
(bar) => {};
}
macro_rules! foo {
() => {
1
};
}
macro_rules! bar {
() => {
1
};
}
fn main() {
let x = 0;
let _ = match 0 {
0 => {
m!(foo);
x
},
1 => {
m!(bar);
x
},
_ => 1,
};
let _ = match 0 {
0 => {
m!(foo);
0
},
1 => {
m!(bar);
0
},
_ => 1,
};
let _ = match 0 {
0 => {
let mut x = 0;
#[cfg(not_enabled)]
{
x = 5;
}
#[cfg(not(not_enabled))]
{
x = 6;
}
x
},
1 => {
let mut x = 0;
#[cfg(also_not_enabled)]
{
x = 5;
}
#[cfg(not(also_not_enabled))]
{
x = 6;
}
x
},
_ => 0,
};
let _ = match 0 {
0 => foo!(),
1 => bar!(),
_ => 1,
};
let _ = match 0 {
0 => cfg!(not_enabled),
1 => cfg!(also_not_enabled),
_ => false,
};
}
|
