lib/axlsx/workbook/worksheet/cell.rb in axlsx-1.1.6 vs lib/axlsx/workbook/worksheet/cell.rb in axlsx-1.1.7

@@ -315,9 +315,13 @@
         str << '><v>' << @value.to_s << '</v>'
       end
       str << '</c>'
     end
 
+    def is_formula?
+      @type == :string && @value.start_with?('=')
+    end
+
     private
 
     # Utility method for setting inline style attributes
     def set_run_style( validator, attr, value)
       return unless INLINE_STYLES.include?(attr.to_s)