lib/write_xlsx/chart/pie.rb in write_xlsx-0.81.1 vs lib/write_xlsx/chart/pie.rb in write_xlsx-0.83.0

@@ -41,9 +41,16 @@
           'best_fit'    => 'bestFit'
         }
       end
 
       #
+      # Override parent method to add a warning.
+      #
+      def combine(chart)
+        raise "Combined chart not currently supported for Pie charts"
+      end
+
+      #
       # Set the Pie/Doughnut chart rotation: the angle of the first slice.
       #
       def set_rotation(rotation)
         return unless rotation
         if rotation >= 0 && rotation <= 360