| error[E0562]: `impl Trait` only allowed in function and inherent method argument and return types, not in variable bindings | |
| --> $DIR/issue-54600.rs:4:19 | |
| | | |
| LL | let x: Option<impl Debug> = Some(44_u32); | |
| | ^^^^^^^^^^ | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0562`. |