#![allow(unused_variables)]
fn main() {
    use std::collections::BinaryHeap;
    let mut heap = BinaryHeap::from([1, 2, 4, 5, 7]);
    heap.push(6);
    heap.push(3);
    let vec = heap.into_sorted_vec();
    assert_eq!(vec, [1, 2, 3, 4, 5, 6, 7]);
}