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<?php declare(strict_types = 1);
namespace Apicart\FQL\Generator\SQL;
use Apicart\FQL\Generator\Common\AbstractVisitor;
use Apicart\FQL\Token\Node\LogicalNot;
use Apicart\FQL\Value\AbstractNode;
use LogicException;
final class UnaryOperator extends AbstractVisitor
{
public function accept(AbstractNode $node): bool
return $node instanceof LogicalNot;
}
public function visit(AbstractNode $node, ?AbstractVisitor $subVisitor = null, ?array $options = null): string
/** @var LogicalNot $logicalNotNode */
$logicalNotNode = $node;
if ($subVisitor === null) {
throw new LogicException('Implementation requires sub-visitor');
return 'NOT (' . $subVisitor->visit($logicalNotNode->getOperand(), $subVisitor, $options) . ')';
apicart /
fql
