flash.rb Ruby on Rails 5.1.2 flash.rb actionpack/lib/action_dispatch/middleware/flash.rb on GitHub Last modified: 2017-07-12 08:38:52 -0700 Required Files active_support/core_ext/hash/keys Namespace MODULE ActionDispatch MODULE ActionDispatch::Flash::RequestMethods CLASS ActionDispatch::Flash CLASS ActionDispatch::Flash::FlashHash CLASS ActionDispatch::Request