| 1: | <?php |
| 2: | |
| 3: | declare(strict_types=1); |
| 4: | |
| 5: | /** |
| 6: | * This file is part of the Nexus framework. |
| 7: | * |
| 8: | * (c) John Paul E. Balandan, CPA <paulbalandan@gmail.com> |
| 9: | * |
| 10: | * For the full copyright and license information, please view |
| 11: | * the LICENSE file that was distributed with this source code. |
| 12: | */ |
| 13: | |
| 14: | namespace Nexus\Option; |
| 15: | |
| 16: | /** |
| 17: | * @template T |
| 18: | * @template S |
| 19: | * |
| 20: | * @param T $value |
| 21: | * @param S $none |
| 22: | * |
| 23: | * @return (T is S ? None : Some<T>) |
| 24: | */ |
| 25: | function option(mixed $value, mixed $none = null): Option |
| 26: | { |
| 27: | if ($value === $none) { |
| 28: | return new None(); |
| 29: | } |
| 30: | |
| 31: | return new Some($value); |
| 32: | } |
| 33: |