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
|
error[E0643]: method `foo` has incompatible signature for trait
--> $DIR/impl-generic-mismatch.rs:8:12
|
LL | fn foo(&self, _: &impl Debug);
| ---------- declaration in trait here
...
LL | fn foo<U: Debug>(&self, _: &U) { }
| ^ expected `impl Trait`, found generic parameter
|
help: try removing the generic parameter and using `impl Trait` instead
|
LL - fn foo<U: Debug>(&self, _: &U) { }
LL + fn foo(&self, _: &impl Debug) { }
|
error[E0643]: method `bar` has incompatible signature for trait
--> $DIR/impl-generic-mismatch.rs:17:23
|
LL | fn bar<U: Debug>(&self, _: &U);
| - declaration in trait here
...
LL | fn bar(&self, _: &impl Debug) { }
| ^^^^^^^^^^ expected generic parameter, found `impl Trait`
|
help: try changing the `impl Trait` argument to a generic parameter
|
LL | fn bar<U: Debug>(&self, _: &U) { }
| ++++++++++ ~
error[E0643]: method `baz` has incompatible signature for trait
--> $DIR/impl-generic-mismatch.rs:26:33
|
LL | fn baz<U: Debug, T: Debug>(&self, _: &U, _: &T);
| - declaration in trait here
...
LL | fn baz<T: Debug>(&self, _: &impl Debug, _: &T) { }
| ^^^^^^^^^^ expected generic parameter, found `impl Trait`
|
help: try changing the `impl Trait` argument to a generic parameter
|
LL | fn baz<U: Debug, T: Debug>(&self, _: &T, _: &T) { }
| ~~~~~~~~~~~~~~~~~~~~ ~
error[E0643]: method `hash` has incompatible signature for trait
--> $DIR/impl-generic-mismatch.rs:37:33
|
LL | fn hash(&self, hasher: &mut impl Hasher) {}
| ^^^^^^^^^^^ expected generic parameter, found `impl Trait`
--> $SRC_DIR/core/src/hash/mod.rs:LL:COL
|
= note: declaration in trait here
error: aborting due to 4 previous errors
For more information about this error, try `rustc --explain E0643`.
|
