Ruby on Rails v3.2.5
Module
Rails::Rack
railties/lib/rails/rack.rb
railties/lib/rails/rack/debugger.rb
railties/lib/rails/rack/logger.rb
railties/lib/rails/rack/log_tailer.rb
Namespace
CLASS
Rails::Rack::Debugger
CLASS
Rails::Rack::LogTailer
CLASS
Rails::Rack::Logger