| error[E0121]: the placeholder `_` is not allowed within types on item signatures for associated constants | |
| --> $DIR/infer-placeholder-in-non-suggestable-pos.rs:6:26 | |
| | | |
| LL | const ASSOC: &dyn Fn(_) = 1i32; | |
| | ^ not allowed in type signatures | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0121`. |