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<?php
namespace CondParse\Operand;
use CondParse\OperandInterface;
use CondParse\OperandStack;
class NotOperand extends AbstractOperand
{
/** @var OperandInterface */
private $containedOperand;
/** @return bool */
public function execute()
return ! $this->containedOperand->execute();
}
/**
* @param OperandStack $operandStack
* @return $this
*/
public function consumeTokens(OperandStack $operandStack)
$this->containedOperand = $operandStack->pop();
return $this;
public function __toString()
return sprintf('NOT(%s)', $this->containedOperand);
zwilias /
condparse
