error: the `Self` constructor can only be used with tuple or unit structs --> $DIR/issue-56199.rs:6:17 | LL | let _ = Self; | ^^^^ | = help: did you mean to use one of the enum's variants? error: the `Self` constructor can only be used with tuple or unit structs --> $DIR/issue-56199.rs:8:17 | LL | let _ = Self(); | ^^^^^^ | = help: did you mean to use one of the enum's variants? error: the `Self` constructor can only be used with tuple or unit structs --> $DIR/issue-56199.rs:15:17 | LL | let _ = Self; | ^^^^ help: use curly brackets: `Self { /* fields */ }` error: the `Self` constructor can only be used with tuple or unit structs --> $DIR/issue-56199.rs:17:17 | LL | let _ = Self(); | ^^^^^^ help: use curly brackets: `Self { /* fields */ }` error: aborting due to 4 previous errors