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
|
//@ edition:2021
trait Trait {}
struct IceCream;
impl IceCream {
fn foo(_: &Trait) {}
//~^ ERROR: expected a type, found a trait
fn bar(self, _: &'a Trait) {}
//~^ ERROR: expected a type, found a trait
//~| ERROR: use of undeclared lifetime name
fn alice<'a>(&self, _: &Trait) {}
//~^ ERROR: expected a type, found a trait
fn bob<'a>(_: &'a Trait) {}
//~^ ERROR: expected a type, found a trait
fn cat() -> &Trait {
//~^ ERROR: missing lifetime specifier
//~| ERROR: expected a type, found a trait
&Type
}
fn dog<'a>() -> &Trait {
//~^ ERROR: missing lifetime specifier
//~| ERROR: expected a type, found a trait
&Type
}
fn kitten() -> &'a Trait {
//~^ ERROR: use of undeclared lifetime name
//~| ERROR: expected a type, found a trait
&Type
}
fn puppy<'a>() -> &'a Trait {
//~^ ERROR: expected a type, found a trait
&Type
}
fn parrot() -> &mut Trait {
//~^ ERROR: missing lifetime specifier
//~| ERROR: expected a type, found a trait
&mut Type
}
}
trait Sing {
fn foo(_: &Trait);
//~^ ERROR: expected a type, found a trait
fn bar(_: &'a Trait);
//~^ ERROR: expected a type, found a trait
//~| ERROR: use of undeclared lifetime name
fn alice<'a>(_: &Trait);
//~^ ERROR: expected a type, found a trait
fn bob<'a>(_: &'a Trait);
//~^ ERROR: expected a type, found a trait
fn cat() -> &Trait;
//~^ ERROR: missing lifetime specifier
//~| ERROR: expected a type, found a trait
fn dog<'a>() -> &Trait {
//~^ ERROR: missing lifetime specifier
//~| ERROR: expected a type, found a trait
&Type
}
fn kitten() -> &'a Trait {
//~^ ERROR: use of undeclared lifetime name
//~| ERROR: expected a type, found a trait
&Type
}
fn puppy<'a>() -> &'a Trait {
//~^ ERROR: expected a type, found a trait
&Type
}
fn parrot() -> &mut Trait {
//~^ ERROR: missing lifetime specifier
//~| ERROR: expected a type, found a trait
&mut Type
}
}
fn foo(_: &Trait) {}
//~^ ERROR: expected a type, found a trait
fn bar(_: &'a Trait) {}
//~^ ERROR: expected a type, found a trait
//~| ERROR: use of undeclared lifetime name
fn alice<'a>(_: &Trait) {}
//~^ ERROR: expected a type, found a trait
fn bob<'a>(_: &'a Trait) {}
//~^ ERROR: expected a type, found a trait
struct Type;
impl Trait for Type {}
fn cat() -> &Trait {
//~^ ERROR: missing lifetime specifier
//~| ERROR: expected a type, found a trait
&Type
}
fn dog<'a>() -> &Trait {
//~^ ERROR: missing lifetime specifier
//~| ERROR: expected a type, found a trait
&Type
}
fn kitten() -> &'a Trait {
//~^ ERROR: use of undeclared lifetime name
//~| ERROR: expected a type, found a trait
&Type
}
fn puppy<'a>() -> &'a Trait {
//~^ ERROR: expected a type, found a trait
&Type
}
fn parrot() -> &mut Trait {
//~^ ERROR: missing lifetime specifier
//~| ERROR: expected a type, found a trait
&mut Type
}
fn main() {}
|
