| error[E0121]: the placeholder `_` is not allowed within types on item signatures for functions | |
| --> $DIR/issue-118048.rs:7:6 | |
| | | |
| LL | foo!(_); | |
| | ^ | |
| | | | |
| | not allowed in type signatures | |
| | not allowed in type signatures | |
| | | |
| help: use type parameters instead | |
| | | |
| LL ~ fn foo<T>(_: $ty, _: $ty) {} | |
| LL | } | |
| LL | } | |
| LL | | |
| LL ~ foo!(T); | |
| | | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0121`. |