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Add Find function with Metafunction and TypeList

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sha512sum 2024-07-03 10:09:45 +00:00
parent fd9820aa22
commit 9c000bf6cd
1 changed files with 7 additions and 0 deletions
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7
include/utempl/type_list.hpp
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@ -64,6 +64,13 @@ consteval auto Find(TypeList<Ts...>) -> std::size_t {
return std::ranges::find(arr, true) - arr.begin(); return std::ranges::find(arr, true) - arr.begin();
}; };
template <template <typename...> typename F, typename... Ts>
consteval auto Find(TypeList<Ts...>) -> std::size_t {
std::array<bool, sizeof...(Ts)> arr{F<Ts>::value...};
return std::ranges::find(arr, true) - arr.begin();
};
template <typename... Ts> template <typename... Ts>
consteval auto Reverse(TypeList<Ts...> list) { consteval auto Reverse(TypeList<Ts...> list) {
return [&]<auto... Is>(std::index_sequence<Is...>) -> TypeList<decltype(Get<sizeof...(Ts) - Is - 1>(list))...> { return [&]<auto... Is>(std::index_sequence<Is...>) -> TypeList<decltype(Get<sizeof...(Ts) - Is - 1>(list))...> {