         {
             return data.dataSets[highlight.dataSetIndex]
         }
-        
     }
 }

                    return e
                }
            }
            
            return nil
        }
    }
    
    
    /// get data set for highlight
    ///
    /// - Parameter highlight: current highlight
    /// - Returns: dataset related to highlight
    open func getDataSetByHighlight(_ highlight: Highlight) -> IChartDataSet!
    {
        let dataObjects = allData
        
        if highlight.dataIndex >= dataObjects.count
        {
            return nil
        }
        
        let data = dataObjects[highlight.dataIndex]
        
        if highlight.dataSetIndex >= data.dataSetCount
        {

        super.notifyDataChanged() // recalculate everything
    }
    
    /// Get the Entry for a corresponding highlight object
    ///
    /// - parameter highlight:
    /// - returns: The entry that is highlighted
    open override func entryForHighlight(_ highlight: Highlight) -> ChartDataEntry?
    {
        if highlight.dataIndex >= allData.count
        {
            return nil
        }
        
        let data = dataByIndex(highlight.dataIndex)
        
        if highlight.dataSetIndex >= data.dataSetCount
        {
