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
|
error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/issue-67535.rs:3:1
|
LL | impl std::ops::AddAssign for () {
| ^^^^^-------------------^^^^^--
| | | |
| | | this is not defined in the current crate because tuples are always foreign
| | this is not defined in the current crate because this is a foreign trait
| impl doesn't use only types from inside the current crate
|
= note: define and implement a trait or new type instead
error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/issue-67535.rs:10:1
|
LL | impl std::ops::AddAssign for [(); 1] {
| ^^^^^-------------------^^^^^-------
| | | |
| | | this is not defined in the current crate because arrays are always foreign
| | this is not defined in the current crate because this is a foreign trait
| impl doesn't use only types from inside the current crate
|
= note: define and implement a trait or new type instead
error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/issue-67535.rs:17:1
|
LL | impl std::ops::AddAssign for &[u8] {
| ^^^^^-------------------^^^^^-----
| | | |
| | | this is not defined in the current crate because slices are always foreign
| | this is not defined in the current crate because this is a foreign trait
| impl doesn't use only types from inside the current crate
|
= note: define and implement a trait or new type instead
error[E0053]: method `add_assign` has an incompatible type for trait
--> $DIR/issue-67535.rs:5:19
|
LL | fn add_assign(&self, other: ()) -> () {
| ^^^^^
| |
| types differ in mutability
| help: change the self-receiver type to match the trait: `&mut self`
|
= note: expected signature `fn(&mut (), ())`
found signature `fn(&(), ())`
error[E0053]: method `add_assign` has an incompatible type for trait
--> $DIR/issue-67535.rs:12:19
|
LL | fn add_assign(&self, other: [(); 1]) -> [(); 1] {
| ^^^^^
| |
| types differ in mutability
| help: change the self-receiver type to match the trait: `&mut self`
|
= note: expected signature `fn(&mut _, _)`
found signature `fn(&_, _) -> [(); 1]`
error[E0053]: method `add_assign` has an incompatible type for trait
--> $DIR/issue-67535.rs:19:19
|
LL | fn add_assign(&self, other: &[u8]) -> &[u8] {
| ^^^^^
| |
| types differ in mutability
| help: change the self-receiver type to match the trait: `&mut self`
|
= note: expected signature `fn(&mut &_, &_)`
found signature `fn(&&_, &_) -> &[u8]`
error: aborting due to 6 previous errors
Some errors have detailed explanations: E0053, E0117.
For more information about an error, try `rustc --explain E0053`.
|
