method

changed?

changed?(attr_name, from: OPTION_NOT_GIVEN, to: OPTION_NOT_GIVEN)
public

No documentation available.

# File activemodel/lib/active_model/attribute_mutation_tracker.rb, line 45
    def changed?(attr_name, from: OPTION_NOT_GIVEN, to: OPTION_NOT_GIVEN)
      attribute_changed?(attr_name) &&
        (OPTION_NOT_GIVEN == from || original_value(attr_name) == from) &&
        (OPTION_NOT_GIVEN == to || fetch_value(attr_name) == to)
    end