br>
        <li><a href="#example-package--IntHeap" onclick="$('#ex-package--IntHeap').addClass('in').removeClass('collapse').height('auto')">package (IntHeap)</a></li>
        <li><a href="#example-package--PriorityQueue" onclick="$('#ex-package--PriorityQueue').addClass('in').removeClass('collapse').height('auto')">package (PriorityQueue)</a></li>
    </ul>
    <h3 id="Interface">type <a title="View Source" href="https://github.com/golang/go/blob/master/src/container/heap/heap.go?name=release#30">Interfac