| error[E0038]: the trait alias `SelfInput` is not dyn compatible |
| --> $DIR/self-in-generics.rs:8:19 |
| | |
| LL | pub fn f(_f: &dyn SelfInput) {} |
| | ^^^^^^^^^ `SelfInput` is not dyn compatible |
| | |
| note: for a trait to be dyn compatible it needs to allow building a vtable |
| for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> |
| --> $DIR/self-in-generics.rs:6:23 |
| | |
| LL | pub trait SelfInput = Fn(&mut Self); |
| | --------- ^^^^^^^^^^^^^ |
| | | | |
| | | ...because it uses `Self` as a type parameter |
| | | ...because it uses `Self` as a type parameter |
| | this trait is not dyn compatible... |
| help: consider using an opaque type instead |
| | |
| LL - pub fn f(_f: &dyn SelfInput) {} |
| LL + pub fn f(_f: &impl SelfInput) {} |
| | |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0038`. |
