Singleton module Singleton Ruby on Rails 7.0.10 Since v7.0.10 Available in: v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2 Compare with: … v7.1.6 v7.2.3 v8.0.4 v8.1.2 No documentation comment. Methods (defined here) # duplicable? Used by Included by (4) ActiveJob::Serializers::ObjectSerializer ActiveSupport::Deprecation Mime::AllType Mime::NullType
