| error[E0502]: cannot borrow `heap` as immutable because it is also borrowed as mutable | |
| --> $DIR/issue-47646.rs:22:30 | |
| | | |
| LL | let borrow = heap.peek_mut(); | |
| | ---- mutable borrow occurs here | |
| ... | |
| LL | println!("{:?}", heap); //~ ERROR cannot borrow `heap` as immutable | |
| | ^^^^ immutable borrow occurs here | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0502`. |