| error[E0499]: cannot borrow `*heap` as mutable more than once at a time |
| --> $DIR/issue-85581.rs:9:22 |
| | |
| LL | match heap.peek_mut() { |
| | --------------- |
| | | |
| | first mutable borrow occurs here |
| | a temporary with access to the first borrow is created here ... |
| LL | Some(_) => { heap.pop(); }, |
| | ^^^^ second mutable borrow occurs here |
| ... |
| LL | } |
| | - ... and the first borrow might be used here, when that temporary is dropped and runs the destructor for type `Option<std::collections::binary_heap::PeekMut<'_, i32>>` |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0499`. |
