Glaze does not detect variant objects within variants about glaze HOT 2 OPEN

template <class>
struct variant_types;

template <class... Ts>
struct variant_types<std::variant<Ts...>>
{
   // TODO: this way of filtering types is compile time intensive.
   using bool_types = decltype(tuplet::tuple_cat(
      std::conditional_t<bool_t<remove_meta_wrapper_t<Ts>>, tuplet::tuple<Ts>, tuplet::tuple<>>{}...));
   using number_types = decltype(tuplet::tuple_cat(
      std::conditional_t<num_t<remove_meta_wrapper_t<Ts>>, tuplet::tuple<Ts>, tuplet::tuple<>>{}...));
   using string_types = decltype(tuplet::tuple_cat( // glaze_enum_t remove_meta_wrapper_t supports constexpr
                                                    // types while the other supports non const
      std::conditional_t < str_t<remove_meta_wrapper_t<Ts>> || glaze_enum_t<remove_meta_wrapper_t<Ts>> ||
         glaze_enum_t<Ts>,
      tuplet::tuple<Ts>, tuplet::tuple < >> {}...));
   using object_types =
      decltype(tuplet::tuple_cat(std::conditional_t<json_object<Ts>, tuplet::tuple<Ts>, tuplet::tuple<>>{}...));
   using array_types =
      decltype(tuplet::tuple_cat(std::conditional_t < array_t<remove_meta_wrapper_t<Ts>> || glaze_array_t<Ts>,
                                 tuplet::tuple<Ts>, tuplet::tuple < >> {}...));
   using nullable_types =
      decltype(tuplet::tuple_cat(std::conditional_t<null_t<Ts>, tuplet::tuple<Ts>, tuplet::tuple<>>{}...));
   using nullable_objects = decltype(tuplet::tuple_cat(
      std::conditional_t<is_memory_object<Ts>, tuplet::tuple<Ts>, tuplet::tuple<>>{}...));
};