method

previous_changes_include?

v5.2.3 - Show latest stable - Class: ActiveModel::Dirty

previous_changes_include?(attr_name)

private

Returns true if attr_name were changed before the model was saved, false otherwise.

# File activemodel/lib/active_model/dirty.rb, line 298
      def previous_changes_include?(attr_name)
        previous_changes.include?(attr_name)
      end

previous_changes_include?

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