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
|
//@aux-build:non-exhaustive-enum.rs
#![deny(clippy::wildcard_enum_match_arm)]
#![allow(dead_code, unreachable_code, unused_variables)]
#![allow(
clippy::diverging_sub_expression,
clippy::single_match,
clippy::uninlined_format_args,
clippy::unnested_or_patterns,
clippy::wildcard_in_or_patterns
)]
extern crate non_exhaustive_enum;
use non_exhaustive_enum::ErrorKind;
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
enum Color {
Red,
Green,
Blue,
Rgb(u8, u8, u8),
Cyan,
}
impl Color {
fn is_monochrome(self) -> bool {
match self {
Color::Red | Color::Green | Color::Blue => true,
Color::Rgb(r, g, b) => r | g == 0 || r | b == 0 || g | b == 0,
Color::Cyan => false,
}
}
}
fn main() {
let color = Color::Rgb(0, 0, 127);
match color {
Color::Red => println!("Red"),
Color::Green | Color::Blue | Color::Rgb(..) | Color::Cyan => eprintln!("Not red"),
//~^ wildcard_enum_match_arm
};
match color {
Color::Red => println!("Red"),
_not_red @ Color::Green | _not_red @ Color::Blue | _not_red @ Color::Rgb(..) | _not_red @ Color::Cyan => eprintln!("Not red"),
//~^ wildcard_enum_match_arm
};
let _str = match color {
Color::Red => "Red".to_owned(),
not_red @ Color::Green | not_red @ Color::Blue | not_red @ Color::Rgb(..) | not_red @ Color::Cyan => format!("{:?}", not_red),
//~^ wildcard_enum_match_arm
};
match color {
Color::Red => {},
Color::Green => {},
Color::Blue => {},
Color::Cyan => {},
c if c.is_monochrome() => {},
Color::Rgb(_, _, _) => {},
};
let _str = match color {
Color::Red => "Red",
c @ Color::Green | c @ Color::Blue | c @ Color::Rgb(_, _, _) | c @ Color::Cyan => "Not red",
};
match color {
Color::Rgb(r, _, _) if r > 0 => "Some red",
Color::Red | Color::Green | Color::Blue | Color::Rgb(..) | Color::Cyan => "No red",
//~^ wildcard_enum_match_arm
};
match color {
Color::Red | Color::Green | Color::Blue | Color::Cyan => {},
Color::Rgb(..) => {},
};
let x: u8 = unimplemented!();
match x {
0 => {},
140 => {},
_ => {},
};
// We need to use an enum not defined in this test because non_exhaustive is ignored for the
// purposes of dead code analysis within a crate.
let error_kind = ErrorKind::NotFound;
match error_kind {
ErrorKind::NotFound => {},
ErrorKind::PermissionDenied | _ => {},
//~^ wildcard_enum_match_arm
}
match error_kind {
ErrorKind::NotFound => {},
ErrorKind::PermissionDenied => {},
_ => {},
}
{
pub enum Enum {
A,
B,
C(u8),
D(u8, u8),
E { e: u8 },
};
match Enum::A {
Enum::A => (),
Enum::B | Enum::C(_) | Enum::D(..) | Enum::E { .. } => (),
//~^ wildcard_enum_match_arm
}
}
{
#![allow(clippy::manual_non_exhaustive)]
pub enum Enum {
A,
B,
#[doc(hidden)]
__Private,
}
match Enum::A {
Enum::A => (),
Enum::B | Enum::__Private => (),
//~^ wildcard_enum_match_arm
}
}
}
fn issue15091() {
enum Foo {
A,
B,
C,
}
match Foo::A {
Foo::A => {},
r#type @ Foo::B | r#type @ Foo::C => {},
//~^ wildcard_enum_match_arm
}
}
|
