routes_inspector

# File actionpack/lib/action_dispatch/middleware/debug_exceptions.rb, line 179
    def routes_inspector(exception)
      if @routes_app.respond_to?(:routes) && (exception.is_a?(ActionController::RoutingError) || exception.is_a?(ActionView::Template::Error))
        ActionDispatch::Routing::RoutesInspector.new(@routes_app.routes.routes)
      end
    end