vendor/rails/railties/lib/rails/rack.rb

   1 module Rails
   2   module Rack
   3     autoload :Debugger, "rails/rack/debugger"
   4     autoload :LogTailer, "rails/rack/log_tailer"
   5     autoload :Metal, "rails/rack/metal"
   6     autoload :Static, "rails/rack/static"
   7   end
   8 end