diff options
| -rw-r--r-- | entity/metadata.hpp | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/entity/metadata.hpp b/entity/metadata.hpp index 8b1717b8..2bb8d346 100644 --- a/entity/metadata.hpp +++ b/entity/metadata.hpp @@ -250,19 +250,22 @@ namespace floormat { template<typename T> class entity_metadata final { static_assert(std::is_same_v<T, std::decay_t<T>>); - template<typename... Ts> static consteval auto erased_helper(const std::tuple<Ts...>& tuple); + + template<typename Tuple, std::size_t... Ns> + static consteval auto erased_helper(const Tuple& tuple, std::index_sequence<Ns...>); + public: static constexpr StringView class_name = name_of<T>; static constexpr auto accessors = entities::entity_accessors<T>::accessors(); static constexpr size_t size = std::tuple_size_v<std::decay_t<decltype(accessors)>>; - static constexpr auto erased_accessors = erased_helper(accessors); + static constexpr auto erased_accessors = erased_helper(accessors, std::make_index_sequence<size>{}); }; template<typename T> -template<typename... Ts> -consteval auto entity_metadata<T>::erased_helper(const std::tuple<Ts...>& tuple) +template<typename Tuple, std::size_t... Ns> +consteval auto entity_metadata<T>::erased_helper(const Tuple& tuple, std::index_sequence<Ns...>) { - std::array<entities::erased_accessor, sizeof...(Ts)> array { std::get<Ts>(tuple).erased()..., }; + std::array<entities::erased_accessor, sizeof...(Ns)> array { std::get<Ns>(tuple).erased()..., }; return array; } |