instance method `attribute_previous_change`

Ruby on Rails 5.2.8.1

Since v5.2.8.1 Private

Available in: v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

attribute_previous_change(attr)

Handles *_previous_change for method_missing.

Parameters

attr req

Source

# File activemodel/lib/active_model/dirty.rb, line 308
      def attribute_previous_change(attr)
        previous_changes[attr] if attribute_previously_changed?(attr)
      end

Defined in activemodel/lib/active_model/dirty.rb line 308 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveModel::Dirty

Signature

Parameters