ActionController Flash FlashHash class FlashHash Ruby on Rails 2.2.3 Since v2.2.3 Last seen in v2.3.18 Available in: v2.2.3 v2.3.18 Compare with: … v2.3.18 No documentation comment. Inherits from Hash Methods (defined here) # discard # keep # now Private methods (1) Implementation detail — not part of the public API. # use
