Method push

src/index.ts:12–17

(value: T)

  }

  push(value: T): SortedQueueItem<T> {
    const item = new Item(value, this._array, this._array.length, this._cmp);
    this._array.push(item);
    siftUp(this._array, item, this._cmp);
    return item;
  }

  peek(): SortedQueueItem<T> | undefined {
    return this._array.length > 0 ? this._array[0] : undefined;