Method dequeue

cli/src/utils/arrays.ts:77–87

()

  }

  dequeue(): T | undefined {
    if (this._length === 0) {
      return undefined
    }

    const item = this._items[this._head]
    this._items[this._head] = undefined as T
    this._head = (this._head + 1) % this._items.length
    this._length--
    return item
  }

  peek(): T | undefined {
    if (this._length === 0) {