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<?php
declare(strict_types=1);
/**
* This file is part of phpDocumentor.
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*
* @link http://phpdoc.org
*/
namespace phpDocumentor\Reflection\Types;
use phpDocumentor\Reflection\Type;
/**
* Value Object representing a nullable type. The real type is wrapped.
*
* @psalm-immutable
*/
final class Nullable implements Type
{
/** @var Type The actual type that is wrapped */
private $realType;
/**
* Initialises this nullable type using the real type embedded
*/
public function __construct(Type $realType)
{
$this->realType = $realType;
}
/**
* Provide access to the actual type directly, if needed.
*/
public function getActualType(): Type
{
return $this->realType;
}
/**
* Returns a rendered output of the Type as it would be used in a DocBlock.
*/
public function __toString(): string
{
return '?' . $this->realType->__toString();
}
}
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