method_missing

# File activerecord/lib/active_record/named_scope.rb, line 170
      def method_missing(method, *args, &block)
        if scopes.include?(method)
          scopes[method].call(self, *args)
        else
          with_scope({:find => proxy_options, :create => proxy_options[:conditions].is_a?(Hash) ?  proxy_options[:conditions] : {}}, :reverse_merge) do
            method = :new if method == :build
            if current_scoped_methods_when_defined && !scoped_methods.include?(current_scoped_methods_when_defined)
              with_scope current_scoped_methods_when_defined do
                proxy_scope.send(method, *args, &block)
              end
            else
              proxy_scope.send(method, *args, &block)
            end
          end
        end
      end