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Diffstat (limited to 'vendor/ramsey/collection/src/AbstractSet.php')
-rw-r--r-- | vendor/ramsey/collection/src/AbstractSet.php | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/vendor/ramsey/collection/src/AbstractSet.php b/vendor/ramsey/collection/src/AbstractSet.php new file mode 100644 index 0000000..3bd2296 --- /dev/null +++ b/vendor/ramsey/collection/src/AbstractSet.php @@ -0,0 +1,50 @@ +<?php + +/** + * This file is part of the ramsey/collection library + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + * + * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com> + * @license http://opensource.org/licenses/MIT MIT + */ + +declare(strict_types=1); + +namespace Ramsey\Collection; + +/** + * This class contains the basic implementation of a collection that does not + * allow duplicated values (a set), to minimize the effort required to implement + * this specific type of collection. + * + * @template T + * @template-extends AbstractCollection<T> + */ +abstract class AbstractSet extends AbstractCollection +{ + /** + * @inheritDoc + */ + public function add($element): bool + { + if ($this->contains($element)) { + return false; + } + + return parent::add($element); + } + + /** + * @inheritDoc + */ + public function offsetSet($offset, $value): void + { + if ($this->contains($value)) { + return; + } + + parent::offsetSet($offset, $value); + } +} |