StaticType.php
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StaticType.php
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	<?php declare(strict_types=1);
	/*
	* This file is part of sebastian/type.
	*
	* (c) Sebastian Bergmann <sebastian@phpunit.de>
	*
	* For the full copyright and license information, please view the LICENSE
	* file that was distributed with this source code.
	*/
	namespace SebastianBergmann\Type;

	final class StaticType extends Type
	{
	/**
	* @var TypeName
	*/
	private $className;

	/**
	* @var bool
	*/
	private $allowsNull;

	public function __construct(TypeName $className, bool $allowsNull)
	{
	$this->className = $className;
	$this->allowsNull = $allowsNull;
	}

	public function isAssignable(Type $other): bool
	{
	if ($this->allowsNull && $other instanceof NullType) {
	return true;
	}

	if (!$other instanceof ObjectType) {
	return false;
	}

	if (0 === strcasecmp($this->className->qualifiedName(), $other->className()->qualifiedName())) {
	return true;
	}

	if (is_subclass_of($other->className()->qualifiedName(), $this->className->qualifiedName(), true)) {
	return true;
	}

	return false;
	}

	public function name(): string
	{
	return 'static';
	}

	public function allowsNull(): bool
	{
	return $this->allowsNull;
	}

	/**
	* @psalm-assert-if-true StaticType $this
	*/
	public function isStatic(): bool
	{
	return true;
	}
	}