Pinq\Parsing\Resolvers\FunctionMagicResolver::walkClosure PHP 메소드

    public function walkClosure(O\ClosureExpression $expression)
    {
        $this->closureNestingLevel++;
        $walkedClosure = parent::walkClosure($expression);
        $this->closureNestingLevel--;
        return $walkedClosure;
    }