public function quantifyQuestion(Scope $head, Scope $result, Lexer $lexer)
    {
        $min = 0;
        $max = 1;
        
        $head->setMaxOccurances($max);
        $head->setMinOccurances($min);
        
        return $head;
    }
public function quantifyQuestion(Scope $head, Scope $result, Lexer $lexer)
    {
        $min = 0;
        $max = 1;
        
        $head->setMaxOccurances($max);
        $head->setMinOccurances($min);
        
        return $head;
    }
public function quantifyQuestion ( Scope $ head , Scope $ result , Lexer $ lexer ) { $ min = 0 ; $ max = 1 ; $ head -> setMaxOccurances ( $ max ) ; $ head -> setMinOccurances ( $ min ) ; return $ head ; }
Parse the current token for ? quantifiers

@access public
@return ReverseRegex\Generator\Scope a new head
@param ReverseRegex\Generator\Scope $head
@param ReverseRegex\Generator\Scope $result
@param ReverseRegex\Lexer $lexer
Parse the current token for ? quantifiers