| error[E0499]: cannot borrow `arr[_]` as mutable more than once at a time |
| --> $DIR/suggest-slice-swap.rs:5:33 |
| | |
| LL | std::mem::swap(&mut arr[0], &mut arr[1]); |
| | -------------- ----------- ^^^^^^^^^^^ second mutable borrow occurs here |
| | | | |
| | | first mutable borrow occurs here |
| | first borrow later used by call |
| | |
| help: use `.swap()` to swap elements at the specified indices instead |
| | |
| LL | arr.swap(1, 0); |
| | ~~~~~~~~~~~~~~ |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0499`. |
