error[E0596]: cannot borrow `callback` as mutable, as it is not declared as mutable | |
--> $DIR/issue-80313-mutation-in-move-closure.rs:6:5 | |
| | |
LL | my_var = true; | |
| ------ calling `callback` requires mutable binding due to possible mutation of `my_var` | |
LL | }; | |
LL | callback(); | |
| ^^^^^^^^ cannot borrow as mutable | |
| | |
help: consider changing this to be mutable | |
| | |
LL | let mut callback = move || { | |
| +++ | |
error: aborting due to 1 previous error | |
For more information about this error, try `rustc --explain E0596`. |