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
|
#![deny(late_bound_lifetime_arguments)]
#![allow(unused)]
struct S;
impl S {
fn late<'a, 'b>(self, _: &'a u8, _: &'b u8) {}
fn late_implicit(self, _: &u8, _: &u8) {}
fn late_early<'a, 'b>(self, _: &'a u8) -> &'b u8 { loop {} }
fn late_implicit_early<'b>(self, _: &u8) -> &'b u8 { loop {} }
// 'late lifetimes here belong to nested types not to the tested functions.
fn early_tricky_explicit<'a>(_: for<'late> fn(&'late u8),
_: Box<dyn for<'late> Fn(&'late u8)>)
-> &'a u8 { loop {} }
fn early_tricky_implicit<'a>(_: fn(&u8),
_: Box<dyn Fn(&u8)>)
-> &'a u8 { loop {} }
}
fn method_call() {
S.late(&0, &0); // OK
S.late::<'static>(&0, &0);
//~^ ERROR cannot specify lifetime arguments explicitly
//~| WARN this was previously accepted
S.late::<'static, 'static>(&0, &0);
//~^ ERROR cannot specify lifetime arguments explicitly
//~| WARN this was previously accepted
S.late::<'static, 'static, 'static>(&0, &0);
//~^ ERROR cannot specify lifetime arguments explicitly
//~| WARN this was previously accepted
S.late_early(&0); // OK
S.late_early::<'static>(&0);
//~^ ERROR cannot specify lifetime arguments explicitly
//~| WARN this was previously accepted
S.late_early::<'static, 'static>(&0);
//~^ ERROR cannot specify lifetime arguments explicitly
//~| WARN this was previously accepted
S.late_early::<'static, 'static, 'static>(&0);
//~^ ERROR cannot specify lifetime arguments explicitly
//~| WARN this was previously accepted
S.late_implicit(&0, &0); // OK
S.late_implicit::<'static>(&0, &0);
//~^ ERROR cannot specify lifetime arguments explicitly
//~| WARN this was previously accepted
S.late_implicit::<'static, 'static>(&0, &0);
//~^ ERROR cannot specify lifetime arguments explicitly
//~| WARN this was previously accepted
S.late_implicit::<'static, 'static, 'static>(&0, &0);
//~^ ERROR cannot specify lifetime arguments explicitly
//~| WARN this was previously accepted
S.late_implicit_early(&0); // OK
S.late_implicit_early::<'static>(&0);
//~^ ERROR cannot specify lifetime arguments explicitly
//~| WARN this was previously accepted
S.late_implicit_early::<'static, 'static>(&0);
//~^ ERROR cannot specify lifetime arguments explicitly
//~| WARN this was previously accepted
S.late_implicit_early::<'static, 'static, 'static>(&0);
//~^ ERROR cannot specify lifetime arguments explicitly
//~| WARN this was previously accepted
S::early_tricky_explicit::<'static>(loop {}, loop {}); // OK
S::early_tricky_implicit::<'static>(loop {}, loop {}); // OK
}
fn ufcs() {
S::late_early::<'static>(S, &0);
//~^ ERROR cannot specify lifetime arguments explicitly
//~| WARN this was previously accepted
S::late_implicit_early::<'static>(S, &0);
//~^ ERROR cannot specify lifetime arguments explicitly
//~| WARN this was previously accepted
}
fn lint_not_inference_error() {
fn f<'early, 'late, T: 'early>() {}
// Make sure `u8` is substituted and not replaced with an inference variable
f::<'static, u8>;
//~^ ERROR cannot specify lifetime arguments explicitly
//~| WARN this was previously accepted
}
fn main() {}
|
