# CocoaTweet: Class Members - Typedefs

### - d -

- difference_type : nlohmann::basic_json , nlohmann::detail::iter_impl< BasicJsonType > , nlohmann::detail::iteration_proxy_value< IteratorType > , nlohmann::detail::iterator_traits< T *, enable_if_t< std::is_object< T >::value > > , nlohmann::detail::iterator_types< It, void_t< typename It::difference_type, typename It::value_type, typename It::pointer, typename It::reference, typename It::iterator_category > > , nlohmann::detail::json_reverse_iterator< Base >