| error[E0308]: mismatched types | |
| --> $DIR/issue-11844.rs:16:9 | |
| | | |
| LL | Ok(a) => //~ ERROR: mismatched types | |
| | ^^^^^ expected enum `std::option::Option`, found enum `std::result::Result` | |
| | | |
| = note: expected type `std::option::Option<std::boxed::Box<{integer}>>` | |
| found type `std::result::Result<_, _>` | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0308`. |