| error[E0121]: the placeholder `_` is not allowed within types on item signatures for return types | |
| --> $DIR/leaking-unnameables.rs:8:18 | |
| | | |
| LL | pub fn f<T>() -> _ { | |
| | ^ not allowed in type signatures | |
| | | |
| help: replace with the correct return type | |
| | | |
| LL - pub fn f<T>() -> _ { | |
| LL + pub fn f<T>() -> fn() { | |
| | | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0121`. |