setup

# File activemodel/lib/active_model/validations/acceptance.rb, line 16
      def setup(klass)
        # Note: instance_methods.map(&:to_s) is important for 1.9 compatibility
        # as instance_methods returns symbols unlike 1.8 which returns strings.
        attr_readers = attributes.reject { |name| klass.attribute_method?(name) }
        attr_writers = attributes.reject { |name| klass.attribute_method?("#{name}=") }
        klass.send(:attr_reader, *attr_readers)
        klass.send(:attr_writer, *attr_writers)
      end