error[E0308]: mismatched types | |
--> $DIR/mut-cross-borrowing.rs:7:7 | |
| | |
LL | f(x) | |
| - ^ expected `&mut isize`, found `Box<{integer}>` | |
| | | |
| arguments to this function are incorrect | |
| | |
= note: expected mutable reference `&mut isize` | |
found struct `Box<{integer}>` | |
note: function defined here | |
--> $DIR/mut-cross-borrowing.rs:1:4 | |
| | |
LL | fn f(_: &mut isize) {} | |
| ^ ------------- | |
help: consider mutably borrowing here | |
| | |
LL | f(&mut x) | |
| ++++ | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0308`. |