Expression.php
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Expression.php
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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;

	/**
	* Represents an expression type as described in the PSR-5, the PHPDoc Standard.
	*
	* @psalm-immutable
	*/
	final class Expression implements Type
	{
	/** @var Type */
	protected $valueType;

	/**
	* Initializes this representation of an array with the given Type.
	*/
	public function __construct(Type $valueType)
	{
	$this->valueType = $valueType;
	}

	/**
	* Returns the value for the keys of this array.
	*/
	public function getValueType(): Type
	{
	return $this->valueType;
	}

	/**
	* Returns a rendered output of the Type as it would be used in a DocBlock.
	*/
	public function __toString(): string
	{
	return '(' . $this->valueType . ')';
	}
	}