public function row($content)
    {
        if ($content instanceof Closure) {
            $row = new Row();
            call_user_func($content, $row);
            $this->addRow($row);
        } else {
            $this->addRow(new Row($content));
        }

        return $this;
    }
public function row($content)
    {
        if ($content instanceof Closure) {
            $row = new Row();
            call_user_func($content, $row);
            $this->addRow($row);
        } else {
            $this->addRow(new Row($content));
        }

        return $this;
    }
public function row ( $ content ) { if ( $ content instanceof Closure ) { $ row = new Row ( ) ; call_user_func ( $ content , $ row ) ; $ this -> addRow ( $ row ) ; } else { $ this -> addRow ( new Row ( $ content ) ) ; } return $ this ; }
Add one row for content body.

@param $content

@return $this
Add one row for content body .