<?php

/**
 * This file is part of the Carbon package.
 *
 * (c) Brian Nesbitt <brian@nesbot.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Carbon\Traits;

use Carbon\Exceptions\InvalidCastException;
use DateTimeInterface;
/**
 * Trait Cast.
 *
 * Utils to cast into an other class.
 */
trait Cast
{
    /**
     * Cast the current instance into the given class.
     *
     * @param string $className The $className::instance() method will be called to cast the current object.
     *
     * @return DateTimeInterface
     */
    public function cast(string $className)
    {
        if (!\method_exists($className, 'instance')) {
            if (\is_a($className, DateTimeInterface::class, \true)) {
                return new $className($this->rawFormat('Y-m-d H:i:s.u'), $this->getTimezone());
            }
            throw new InvalidCastException("{$className} has not the instance() method needed to cast the date.");
        }
        return $className::instance($this);
    }
}
