blob: bdb099619b76fdd78614d139475201a0d6121d54 (
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
|
error[E0106]: missing lifetime specifier
--> $DIR/impl-fn-hrtb-bounds.rs:22:38
|
LL | fn d() -> impl Fn() -> (impl Debug + '_) {
| ^^ expected named lifetime parameter
|
= help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from
help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static`, or if you will only have owned values
|
LL | fn d() -> impl Fn() -> (impl Debug + 'static) {
| ~~~~~~~
error[E0657]: `impl Trait` cannot capture higher-ranked lifetime from outer `impl Trait`
--> $DIR/impl-fn-hrtb-bounds.rs:4:41
|
LL | fn a() -> impl Fn(&u8) -> (impl Debug + '_) {
| ^^
|
note: lifetime declared here
--> $DIR/impl-fn-hrtb-bounds.rs:4:19
|
LL | fn a() -> impl Fn(&u8) -> (impl Debug + '_) {
| ^
error: lifetime may not live long enough
--> $DIR/impl-fn-hrtb-bounds.rs:6:9
|
LL | |x| x
| -- ^ returning this value requires that `'1` must outlive `'2`
| ||
| |return type of closure is impl Debug + '2
| has type `&'1 u8`
error[E0657]: `impl Trait` cannot capture higher-ranked lifetime from outer `impl Trait`
--> $DIR/impl-fn-hrtb-bounds.rs:10:52
|
LL | fn b() -> impl for<'a> Fn(&'a u8) -> (impl Debug + 'a) {
| ^^
|
note: lifetime declared here
--> $DIR/impl-fn-hrtb-bounds.rs:10:20
|
LL | fn b() -> impl for<'a> Fn(&'a u8) -> (impl Debug + 'a) {
| ^^
error: lifetime may not live long enough
--> $DIR/impl-fn-hrtb-bounds.rs:12:9
|
LL | |x| x
| -- ^ returning this value requires that `'1` must outlive `'2`
| ||
| |return type of closure is impl Debug + '2
| has type `&'1 u8`
error[E0657]: `impl Trait` cannot capture higher-ranked lifetime from outer `impl Trait`
--> $DIR/impl-fn-hrtb-bounds.rs:16:52
|
LL | fn c() -> impl for<'a> Fn(&'a u8) -> (impl Debug + '_) {
| ^^
|
note: lifetime declared here
--> $DIR/impl-fn-hrtb-bounds.rs:16:20
|
LL | fn c() -> impl for<'a> Fn(&'a u8) -> (impl Debug + '_) {
| ^^
error: lifetime may not live long enough
--> $DIR/impl-fn-hrtb-bounds.rs:18:9
|
LL | |x| x
| -- ^ returning this value requires that `'1` must outlive `'2`
| ||
| |return type of closure is impl Debug + '2
| has type `&'1 u8`
error: aborting due to 7 previous errors
Some errors have detailed explanations: E0106, E0657.
For more information about an error, try `rustc --explain E0106`.
|
