external_attribute_access_code

# File activerecord/lib/active_record/attribute_methods/read.rb, line 109
          def external_attribute_access_code(attr_name, cast_code)
            access_code = "v && #{cast_code}"

            if cache_attribute?(attr_name)
              access_code = "attributes_cache[attr_name] ||= (#{access_code})"
            end

            access_code
          end