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Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
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/**
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 * This file is part of the ramsey/collection library
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 *
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 * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
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 * @license http://opensource.org/licenses/MIT MIT
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 */
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declare(strict_types=1);
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namespace Ramsey\Collection;
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/**
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 * This class contains the basic implementation of a collection that does not
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 * allow duplicated values (a set), to minimize the effort required to implement
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 * this specific type of collection.
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 *
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 * @template T
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 * @extends AbstractCollection<T>
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 */
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abstract class AbstractSet extends AbstractCollection
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{
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    public function add(mixed $element): bool
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    {
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        if ($this->contains($element)) {
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            return false;
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        }
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        return parent::add($element);
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    }
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    public function offsetSet(mixed $offset, mixed $value): void
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    {
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        if ($this->contains($value)) {
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            return;
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        }
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        parent::offsetSet($offset, $value);
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    }
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}