nested_attributes.rb Ruby on Rails 5.1.2 nested_attributes.rb activerecord/lib/active_record/nested_attributes.rb on GitHub Last modified: 2017-07-12 08:38:52 -0700 Required Files active_support/core_ext/hash/except active_support/core_ext/object/try active_support/core_ext/hash/indifferent_access Namespace MODULE ActiveRecord MODULE ActiveRecord::NestedAttributes MODULE ActiveRecord::NestedAttributes::ClassMethods CLASS ActiveRecord::NestedAttributes::TooManyRecords