1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
error: `<i32 as Trait>::Type` is forbidden as the type of a const generic parameter
--> $DIR/default-proj-ty-as-type-of-const-issue-125757.rs:12:25
|
LL | struct Wrapper<const C: <i32 as Trait>::Type> {}
| ^^^^^^^^^^^^^^^^^^^^
|
= note: the only supported types are integers, `bool`, and `char`
error: the constant `C` is not of type `<i32 as Trait>::Type`
--> $DIR/default-proj-ty-as-type-of-const-issue-125757.rs:15:22
|
LL | impl<const C: usize> Wrapper<C> {}
| ^^^^^^^^^^ expected associated type, found `usize`
|
= help: consider constraining the associated type `<i32 as Trait>::Type` to `usize`
= note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
note: required by a const generic parameter in `Wrapper`
--> $DIR/default-proj-ty-as-type-of-const-issue-125757.rs:12:16
|
LL | struct Wrapper<const C: <i32 as Trait>::Type> {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this const generic parameter in `Wrapper`
error: aborting due to 2 previous errors
|
