method

attribute_change

rails latest stable - Class: ActiveModel::Dirty

attribute_change(attr_name)

private

Dispatch target for *_change attribute methods.

# File activemodel/lib/active_model/dirty.rb, line 392
      def attribute_change(attr_name)
        mutations_from_database.change_to_attribute(attr_name.to_s)
      end

attribute_change

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