Method at

cli/src/utils/arrays.ts:96–106

(index: number)

  }

  at(index: number): T | undefined {
    if (index >= this._length || index < -this.length) {
      return undefined
    }
    if (index < 0) {
      return this._items[
        (this._head + this._length + index) % this._items.length
      ]
    }
    return this._items[(this._head + index) % this._items.length]
  }

  clear(): void {
    this._items = repeated(undefined as T, this._defaultCapacity)