Method find

src/data-structures/heap/Heap.js:194–204

* @param {*} item * @param {Comparator} [comparator] * @return {Number[]}

(item, comparator = this.compare)

   * @return {Number[]}
   */
  find(item, comparator = this.compare) {
    const foundItemIndices = [];

    for (let itemIndex = 0; itemIndex < this.heapContainer.length; itemIndex += 1) {
      if (comparator.equal(item, this.heapContainer[itemIndex])) {
        foundItemIndices.push(itemIndex);
      }
    }

    return foundItemIndices;
  }

  /**
   * @return {boolean}