| error[E0038]: the trait `Bar` cannot be made into an object | |
| --> $DIR/issue-18959.rs:21:1 | |
| | | |
| LL | fn foo(b: &Bar) { | |
| | ^^^^^^^^^^^^^^^ the trait `Bar` cannot be made into an object | |
| | | |
| = note: method `foo` has generic type parameters | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0038`. |