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<?php
declare(strict_types=1);
namespace TimiTao\ValueObject\Beberlei\Nullable;
use Exception;
use TimiTao\ValueObject\Nullable\ValueObject\BooleanValueObject as BooleanValueObjectInterface;
abstract class BooleanValueObject implements BooleanValueObjectInterface
{
private $value;
/**
* @throws Exception if value is invalid
*/
public function __construct(?bool $value)
$this->guard($value);
$this->value = $value;
}
public function equals(BooleanValueObjectInterface $other): bool
if (static::class !== get_class($other)) {
return false;
return $this->getValue() === $other->getValue();
public function getValue(): ?bool
return $this->value;
abstract protected function guard(?bool $value): void;
timiTao /
ValueObject
