__define_callbacks

# File activesupport/lib/active_support/callbacks.rb, line 366
      def __define_callbacks(kind, object) #:nodoc:
        name = __callback_runner_name(kind)
        unless object.respond_to?(name, true)
          str = object.send("_#{kind}_callbacks").compile
          class_eval             def #{name}() #{str} end            protected :#{name}, __FILE__, __LINE__ + 1
        end
        name
      end