gistfile1.rb

    # Returns whether or not the parent, <tt>self</tt>, and any loaded autosave associations are valid.
    def valid_with_autosave_associations?
      record_valid = valid_without_autosave_associations?
      self.class.reflect_on_all_autosave_associations.all? do |reflection|
        if (association = association_instance_get(reflection.name)) && association.loaded?
          if association.is_a?(Array)
            association.proxy_target.all? { |child| autosave_association_valid?(reflection, child) }
          else
            autosave_association_valid?(reflection, association)
          end
        else
          true # association not loaded yet, so it should be valid
        end
      end && record_valid
    end