lib/pivot_table/column.rb in pivot_table-0.1.1 vs lib/pivot_table/column.rb in pivot_table-0.1.3

@@ -1,9 +1,9 @@
 module PivotTable
   class Column
 
-    ACCESSORS = [:header, :data, :total]
+    ACCESSORS = [:header, :data, :value_name]
 
     ACCESSORS.each do |a|
       self.send(:attr_accessor, a)
     end
 
@@ -11,7 +11,11 @@
       ACCESSORS.each do |a|
         self.send("#{a}=", options[a]) if options.has_key?(a)
       end
     end
 
+    def total
+      data.inject(0){|t,x| t + (x ? x.send(value_name) : 0)}
+    end
+
   end
-end
\ No newline at end of file
+end