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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\PseudoType;
use phpDocumentor\Reflection\Type;
/**
* Value Object representing a array-key Type.
*
* A array-key Type is the supertype (but not a union) of int and string.
*
* @psalm-immutable
*/
final class ArrayKey extends AggregatedType implements PseudoType
{
public function __construct()
{
parent::__construct([new String_(), new Integer()], '|');
}
public function underlyingType(): Type
{
return new Compound([new String_(), new Integer()]);
}
public function __toString(): string
{
return 'array-key';
}
}
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