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<?php
namespace CondParse;
class OperandStack
{
/** @var \SplStack */
private $stack;
public function __construct()
$this->stack = new \SplStack();
}
/**
* @param OperandInterface $operand
*/
public function push(OperandInterface $operand)
$this->stack->push($operand);
* @return OperandInterface
public function pop()
return $this->stack->pop();
public function top()
return $this->stack->top();
* @return bool
public function isEmpty()
return $this->stack->isEmpty();
zwilias /
condparse
