| error[E0502]: cannot borrow `self.thing` as mutable because it is also borrowed as immutable | |
| --> $DIR/issue-51268.rs:14:9 | |
| | | |
| LL | self.thing.bar(|| { | |
| | ^ --- -- immutable borrow occurs here | |
| | | | | |
| | _________| immutable borrow later used by call | |
| | | | |
| LL | | | |
| LL | | &self.number; | |
| | | ----------- first borrow occurs due to use of `self` in closure | |
| LL | | }); | |
| | |__________^ mutable borrow occurs here | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0502`. |