# File data/examples/ruby/Borges/ObjectSpaceBrowser.rb, line 85
    def render_content_on(r)
      r.heading "Instance 0x%x of #{@instance.class.name}" % @instance.object_id

      r.table do
        r.table_headings "Instance Variable", "Object"
        @instance.instance_variables.each do |var|
          render_ivar_row(var, r)
        end
      end
    end