Developer
<?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;
}
}
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