| error: the `Self` constructor can only be used with tuple or unit structs | |
| --> $DIR/issue-56835.rs:4:12 | |
| | | |
| LL | fn bar(Self(foo): Self) {} | |
| | ^^^^^^^^^ help: use curly brackets: `Self { /* fields */ }` | |
| error[E0164]: expected tuple struct or tuple variant, found self constructor `Self` | |
| --> $DIR/issue-56835.rs:4:12 | |
| | | |
| LL | fn bar(Self(foo): Self) {} | |
| | ^^^^^^^^^ not a tuple variant or struct | |
| error: aborting due to 2 previous errors | |
| For more information about this error, try `rustc --explain E0164`. |