<?php

/*
 * This file is part of Twig.
 *
 * (c) Fabien Potencier
 * (c) Armin Ronacher
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Twig\Node\Expression\Binary;

use Twig\Compiler;
use Twig\Node\CoercesChildrenToStringInterface;
use Twig\Node\Expression\ReturnStringInterface;

class ConcatBinary extends AbstractBinary implements ReturnStringInterface, CoercesChildrenToStringInterface
{
    public function operator(Compiler $compiler): Compiler
    {
        return $compiler->raw('.');
    }

    public function getStringCoercedChildNames(): array
    {
        return ['left', 'right'];
    }
}