src/NXP/Classes/Token/InterfaceFunction.php


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<?php
/**
 * This file is part of the MathExecutor package
 *
 * (c) Alexander Kiryukhin
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code
 */

namespace NXP\Classes\Token;

/**
 * @author Alexander Kiryukhin <a.kiryukhin@mail.ru>
 */
interface InterfaceFunction
{
    /**
     * @param array $stack
     * @return $this
     */
    public function execute(&$stack);
}