| error[E0393]: the type parameter `T` must be explicitly specified |
| --> $DIR/issue-22370.rs:3:14 |
| | |
| LL | trait A<T=Self> {} |
| | --------------- type parameter `T` must be specified for this |
| LL | |
| LL | fn f(a: &dyn A) {} |
| | ^ |
| | |
| = note: because the parameter default references `Self`, the parameter must be specified on the trait object type |
| help: explicitly specify the type parameter |
| | |
| LL | fn f(a: &dyn A</* T */>) {} |
| | +++++++++ |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0393`. |
