| error[E0599]: no method named `as_deref_mut` found for type `std::result::Result<{integer}, _>` in the current scope |
| --> $DIR/result-as_deref_mut.rs:4:31 |
| | |
| LL | let _result = &mut Ok(42).as_deref_mut(); |
| | ^^^^^^^^^^^^ help: there is a method with a similar name: `as_deref_err` |
| | |
| = note: the method `as_deref_mut` exists but the following trait bounds were not satisfied: |
| `{integer} : std::ops::DerefMut` |
| |
| error: aborting due to previous error |
| |
| For more information about this error, try `rustc --explain E0599`. |
