sha512sum/utempl
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Forward tuple to Get (it's safe, there's a check)

Browse source
This commit is contained in:
sha512sum 2024-02-29 22:51:00 +00:00
parent be001b4873
commit d3602dc2dd
1 changed files with 7 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
include/utempl/utils.hpp
View file

@ -36,9 +36,9 @@ consteval auto operator"" _c() {
} // namespace literals
template <std::size_t I, typename... Ts>
inline constexpr auto Arg(Ts&&... args) requires (I < sizeof...(Ts)) {
return [&]<auto... Is>(std::index_sequence<Is...>){
return [](decltype(Caster(Is))..., auto&& response, ...){
inline constexpr auto Arg(Ts&&... args) -> decltype(auto) requires (I < sizeof...(Ts)) {
return [&]<auto... Is>(std::index_sequence<Is...>) -> decltype(auto) {
return [](decltype(Caster(Is))..., auto&& response, ...) -> decltype(auto) {
return response;
}(std::forward<Ts>(args)...);
}(std::make_index_sequence<I>());
@ -140,14 +140,14 @@ concept IsTypeList = Overloaded(
template <TupleLike Tuple>
inline constexpr auto Transform(Tuple&& container, auto&& f) {
return [&]<auto... Is>(std::index_sequence<Is...>){
return MakeTuple<Tuple>(f(Get<Is>(container))...);
return MakeTuple<Tuple>(f(Get<Is>(std::forward<Tuple>(container)))...);
}(std::make_index_sequence<kTupleSize<Tuple>>());
};
template <TupleLike Tuple>
inline constexpr auto Reverse(Tuple&& tuple) {
return [&]<auto... Is>(std::index_sequence<Is...>) {
return MakeTuple<Tuple>(Get<kTupleSize<Tuple> - Is - 1>(tuple)...);
return MakeTuple<Tuple>(Get<kTupleSize<Tuple> - Is - 1>(std::forward<Tuple>(tuple))...);
}(std::make_index_sequence<kTupleSize<Tuple>>());
};
@ -183,7 +183,7 @@ inline constexpr auto LeftFold(Tuple&& tuple, T&& init, F&& f) {
return (
impl::LeftFold<std::remove_cvref_t<T>, std::remove_cvref_t<F>>{.data = std::forward<T>(init), .f = std::forward<F>(f)}
| ...
| impl::LeftFold<std::remove_cvref_t<decltype(Get<Is>(tuple))>>{.data = Get<Is>(tuple)}
| impl::LeftFold<std::remove_cvref_t<decltype(Get<Is>(std::forward<Tuple>(tuple)))>>{.data = Get<Is>(std::forward<Tuple>(tuple))}
).data;
}(std::make_index_sequence<kTupleSize<Tuple>>());
};
@ -193,7 +193,7 @@ inline constexpr auto LeftFold(Tuple&& tuple, T&& init, F&& f) {
template <TupleLike Tuple, TupleLike Tuple2>
inline constexpr auto TupleCat(Tuple&& tuple, Tuple2&& tuple2) {
return [&]<auto... Is, auto... IIs>(std::index_sequence<Is...>, std::index_sequence<IIs...>){
return MakeTuple<Tuple>(Get<Is>(tuple)..., Get<IIs>(tuple2)...);
return MakeTuple<Tuple>(Get<Is>(std::forward<Tuple>(tuple))..., Get<IIs>(std::forward<Tuple2>(tuple2))...);
}(std::make_index_sequence<kTupleSize<Tuple>>(), std::make_index_sequence<kTupleSize<Tuple2>>());
};