| error[E0393]: the type parameter `T` must be explicitly specified | |
| --> $DIR/E0393.rs:3:47 | |
| | | |
| LL | fn together_we_will_rule_the_galaxy(son: &dyn A) {} | |
| | ^ missing reference to `T` | |
| | | |
| = note: because of the default `Self` reference, type parameters must be specified on object types | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0393`. |