| error[E0308]: `?` operator has incompatible types |
| --> $DIR/remove-question-symbol-with-paren.rs:5:6 |
| | |
| LL | fn foo() -> Option<()> { |
| | ---------- expected `Option<()>` because of return type |
| LL | let x = Some(()); |
| LL | (x?) |
| | ^^ expected `Option<()>`, found `()` |
| | |
| = note: `?` operator cannot convert from `()` to `Option<()>` |
| = note: expected enum `Option<()>` |
| found unit type `()` |
| help: try removing this `?` |
| | |
| LL - (x?) |
| LL + (x) |
| | |
| help: try wrapping the expression in `Some` |
| | |
| LL | (Some(x?)) |
| | +++++ + |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0308`. |
