Mime::NullType Ruby on Rails 5.1.2 Class Mime::NullType < Object actionpack/lib/action_dispatch/http/mime_type.rb Methods N nil? R ref, respond_to_missing? Included Modules Singleton Instance Public methods nil?() Link Source: show | on GitHub # File actionpack/lib/action_dispatch/http/mime_type.rb, line 322 def nil? true end ref() Link Source: show | on GitHub # File actionpack/lib/action_dispatch/http/mime_type.rb, line 326 def ref; end respond_to_missing?(method, include_private = false) Link Source: show | on GitHub # File actionpack/lib/action_dispatch/http/mime_type.rb, line 328 def respond_to_missing?(method, include_private = false) method.to_s.ends_with? "?" end