method_missing

# File activerecord/lib/active_record/named_scope.rb, line 165
      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] : {} do
            method = :new if method == :build
            proxy_scope.send(method, *args, &block)
          end
        end
      end