Method has

src/07-set/set.ts:50–52

* Returns true if the set contains the given value. * @param value - The value to check * @returns Whether the value is in the set * @complexity Time O(1) | Space O(1)

(value: string)

   * @complexity Time O(1) | Space O(1)
   */
  has(value: string): boolean {
    return Object.prototype.hasOwnProperty.call(this.#items, value);
  }

  /**
   * Returns an array of all values in the set.