rust/tests/ui/const-generics/issues/issue-56445-1.min.stderr
Esteban Küber 6c31f6ce12 Provide structured suggestion for #![feature(foo)]
```
error: `S2<'_>` is forbidden as the type of a const generic parameter
  --> $DIR/lifetime-in-const-param.rs:5:23
   |
LL | struct S<'a, const N: S2>(&'a ());
   |                       ^^
   |
   = note: the only supported types are integers, `bool` and `char`
help: add `#![feature(adt_const_params)]` to the crate attributes to enable more complex and user defined types
   |
LL + #![feature(adt_const_params)]
   |
```

Fix #55941.
2024-03-18 16:08:58 +00:00

24 lines
894 B
Plaintext

error[E0770]: the type of const parameters must not depend on other generic parameters
--> $DIR/issue-56445-1.rs:9:26
|
LL | struct Bug<'a, const S: &'a str>(PhantomData<&'a ()>);
| ^^ the type must not depend on the parameter `'a`
|
= note: lifetime parameters may not be used in the type of const parameters
error: `&str` is forbidden as the type of a const generic parameter
--> $DIR/issue-56445-1.rs:9:25
|
LL | struct Bug<'a, const S: &'a str>(PhantomData<&'a ()>);
| ^^^^^^^
|
= note: the only supported types are integers, `bool` and `char`
help: add `#![feature(adt_const_params)]` to the crate attributes to enable more complex and user defined types
|
LL + #![feature(adt_const_params)]
|
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0770`.