Refactor out attribute assignment

lib/cancan/inherited_resource.rb

@@ -7,10 +7,7 @@ module CanCan
         @controller.instance_variable_get("@#{instance_name}")
       elsif new_actions.include? @params[:action].to_sym
         resource = @controller.send :build_resource
-        initial_attributes.each do |attr_name, value|
-          resource.send("#{attr_name}=", value)
-        end
-        resource
+        assign_attributes(resource)
       else
         @controller.send :resource
       end