= This feature existed back in 2012 https://github.com/rails/rails/commit/5e7d6bba79393de0279917f93b82f3b7b176f4b5


  but got reverted with the incentive that there was a better approach.
  After discussions, we agreed that it's a useful feature for apps
  that have a really large set of routes.

Co-authored-by: Yehuda Katz <wycats@gmail.com>