RailsDoc(β)
v5.2
v7.2
v7.1
v7.0
v6.1
v6.0
v5.2
GitHub
Required Files
Namespace
Module
Class
Ruby on Rails 5.2.8
flash.rb
actionpack/lib/action_dispatch/middleware/flash.rb
on GitHub
Required Files
active_support/core_ext/hash/keys
Namespace
Module
ActionDispatch
ActionDispatch::Flash::RequestMethods
Class
ActionDispatch::Flash
ActionDispatch::Flash::FlashHash
ActionDispatch::Request