about summary refs log tree commit diff
path: root/tests/ui/object-safety/reference-to-bare-trait-in-fn-inputs-and-outputs-issue-125139.rs
blob: dabaa309c16a165428c6f05d33ff2c53e930d2ce (plain)
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
//@ edition:2021

trait Trait {}

struct IceCream;

impl IceCream {
    fn foo(_: &Trait) {}
    //~^ ERROR: trait objects must include the `dyn` keyword

    fn bar(self, _: &'a Trait) {}
    //~^ ERROR: trait objects must include the `dyn` keyword
    //~| ERROR: use of undeclared lifetime name

    fn alice<'a>(&self, _: &Trait) {}
    //~^ ERROR: trait objects must include the `dyn` keyword

    fn bob<'a>(_: &'a Trait) {}
    //~^ ERROR: trait objects must include the `dyn` keyword

    fn cat() -> &Trait {
        //~^ ERROR: missing lifetime specifier
        //~| ERROR: trait objects must include the `dyn` keyword
        &Type
    }

    fn dog<'a>() -> &Trait {
        //~^ ERROR: missing lifetime specifier
        //~| ERROR: trait objects must include the `dyn` keyword
        &Type
    }

    fn kitten() -> &'a Trait {
        //~^ ERROR: use of undeclared lifetime name
        //~| ERROR: trait objects must include the `dyn` keyword
        &Type
    }

    fn puppy<'a>() -> &'a Trait {
        //~^ ERROR: trait objects must include the `dyn` keyword
        &Type
    }

    fn parrot() -> &mut Trait {
        //~^ ERROR: missing lifetime specifier
        //~| ERROR: trait objects must include the `dyn` keyword
        &mut Type
        //~^ ERROR: cannot return reference to temporary value
    }
}

trait Sing {
    fn foo(_: &Trait);
    //~^ ERROR: trait objects must include the `dyn` keyword

    fn bar(_: &'a Trait);
    //~^ ERROR: trait objects must include the `dyn` keyword
    //~| ERROR: use of undeclared lifetime name

    fn alice<'a>(_: &Trait);
    //~^ ERROR: trait objects must include the `dyn` keyword

    fn bob<'a>(_: &'a Trait);
    //~^ ERROR: trait objects must include the `dyn` keyword

    fn cat() -> &Trait;
        //~^ ERROR: missing lifetime specifier
        //~| ERROR: trait objects must include the `dyn` keyword

    fn dog<'a>() -> &Trait {
        //~^ ERROR: missing lifetime specifier
        //~| ERROR: trait objects must include the `dyn` keyword
        &Type
    }

    fn kitten() -> &'a Trait {
        //~^ ERROR: use of undeclared lifetime name
        //~| ERROR: trait objects must include the `dyn` keyword
        &Type
    }

    fn puppy<'a>() -> &'a Trait {
        //~^ ERROR: trait objects must include the `dyn` keyword
        &Type
    }

    fn parrot() -> &mut Trait {
        //~^ ERROR: missing lifetime specifier
        //~| ERROR: trait objects must include the `dyn` keyword
        &mut Type
        //~^ ERROR: cannot return reference to temporary value
    }
}

fn foo(_: &Trait) {}
//~^ ERROR: trait objects must include the `dyn` keyword

fn bar(_: &'a Trait) {}
//~^ ERROR: trait objects must include the `dyn` keyword
//~| ERROR: use of undeclared lifetime name

fn alice<'a>(_: &Trait) {}
//~^ ERROR: trait objects must include the `dyn` keyword

fn bob<'a>(_: &'a Trait) {}
//~^ ERROR: trait objects must include the `dyn` keyword

struct Type;

impl Trait for Type {}

fn cat() -> &Trait {
//~^ ERROR: missing lifetime specifier
//~| ERROR: trait objects must include the `dyn` keyword
    &Type
}

fn dog<'a>() -> &Trait {
//~^ ERROR: missing lifetime specifier
//~| ERROR: trait objects must include the `dyn` keyword
    &Type
}

fn kitten() -> &'a Trait {
//~^ ERROR: use of undeclared lifetime name
//~| ERROR: trait objects must include the `dyn` keyword
    &Type
}

fn puppy<'a>() -> &'a Trait {
//~^ ERROR: trait objects must include the `dyn` keyword
    &Type
}

fn parrot() -> &mut Trait {
    //~^ ERROR: missing lifetime specifier
    //~| ERROR: trait objects must include the `dyn` keyword
    &mut Type
    //~^ ERROR: cannot return reference to temporary value
}

fn main() {}