blob: 9f669b9a5214b1694bb3c42331ca48480826526f (
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
|
error: equality constraints are not yet supported in `where` clauses
--> $DIR/missing-bounds.rs:37:33
|
LL | impl<B: Add> Add for E<B> where <B as Add>::Output = B {
| ^^^^^^^^^^^^^^^^^^^^^^ not supported
|
= note: see issue #20041 <https://github.com/rust-lang/rust/issues/20041> for more information
help: if `Output` is an associated type you're trying to set, use the associated type binding syntax
|
LL | impl<B: Add> Add for E<B> where B: Add<Output = B> {
| ~~~~~~~~~~~~~~~~~~
error[E0308]: mismatched types
--> $DIR/missing-bounds.rs:11:11
|
LL | impl<B> Add for A<B> where B: Add {
| - this type parameter
...
LL | A(self.0 + rhs.0)
| - ^^^^^^^^^^^^^^ expected type parameter `B`, found associated type
| |
| arguments to this struct are incorrect
|
= note: expected type parameter `B`
found associated type `<B as Add>::Output`
help: the type constructed contains `<B as Add>::Output` due to the type of the argument passed
--> $DIR/missing-bounds.rs:11:9
|
LL | A(self.0 + rhs.0)
| ^^--------------^
| |
| this argument influences the type of `A`
note: tuple struct defined here
--> $DIR/missing-bounds.rs:5:8
|
LL | struct A<B>(B);
| ^
help: consider further restricting this bound
|
LL | impl<B> Add for A<B> where B: Add + Add<Output = B> {
| +++++++++++++++++
error[E0308]: mismatched types
--> $DIR/missing-bounds.rs:21:14
|
LL | impl<B: Add> Add for C<B> {
| - this type parameter
...
LL | Self(self.0 + rhs.0)
| ---- ^^^^^^^^^^^^^^ expected type parameter `B`, found associated type
| |
| arguments to this function are incorrect
|
= note: expected type parameter `B`
found associated type `<B as Add>::Output`
note: tuple struct defined here
--> $DIR/missing-bounds.rs:15:8
|
LL | struct C<B>(B);
| ^
help: consider further restricting this bound
|
LL | impl<B: Add + Add<Output = B>> Add for C<B> {
| +++++++++++++++++
error[E0369]: cannot add `B` to `B`
--> $DIR/missing-bounds.rs:31:21
|
LL | Self(self.0 + rhs.0)
| ------ ^ ----- B
| |
| B
|
help: consider restricting type parameter `B`
|
LL | impl<B: std::ops::Add<Output = B>> Add for D<B> {
| +++++++++++++++++++++++++++
error[E0308]: mismatched types
--> $DIR/missing-bounds.rs:42:14
|
LL | impl<B: Add> Add for E<B> where <B as Add>::Output = B {
| - this type parameter
...
LL | Self(self.0 + rhs.0)
| ---- ^^^^^^^^^^^^^^ expected type parameter `B`, found associated type
| |
| arguments to this function are incorrect
|
= note: expected type parameter `B`
found associated type `<B as Add>::Output`
note: tuple struct defined here
--> $DIR/missing-bounds.rs:35:8
|
LL | struct E<B>(B);
| ^
help: consider further restricting this bound
|
LL | impl<B: Add + Add<Output = B>> Add for E<B> where <B as Add>::Output = B {
| +++++++++++++++++
error: aborting due to 5 previous errors
Some errors have detailed explanations: E0308, E0369.
For more information about an error, try `rustc --explain E0308`.
|
