def defaults
      @__defaults = Settingson::Store::Default.new( klass: self )

      if block_given?
        Rails.application.config.after_initialize do
          yield @__defaults
        end
      end

      @__defaults
    end
def defaults
      @__defaults = Settingson::Store::Default.new( klass: self )

      if block_given?
        Rails.application.config.after_initialize do
          yield @__defaults
        end
      end

      @__defaults
    end
Settings.defaults do |default|
   default.server.host = 'host'
   default.server.port = 80
 end