| error[E0207]: the type parameter `T` is not constrained by the impl trait, self type, or predicates | |
| --> $DIR/E0207.rs:3:6 | |
| | | |
| LL | impl<T: Default> Foo { | |
| | ^ unconstrained type parameter | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0207`. |