36 lines
1 KiB
C++
36 lines
1 KiB
C++
|
#ifndef RFL_INTERNAL_MOVE_AND_FLATTEN_FIELD_TUPLE_HPP_
|
||
|
|
#define RFL_INTERNAL_MOVE_AND_FLATTEN_FIELD_TUPLE_HPP_
|
||
|
|
|
||
|
|
#include <tuple>
|
||
|
|
|
||
|
|
#include "is_flatten_field.hpp"
|
||
|
|
#include "move_to_field_tuple.hpp"
|
||
|
|
|
||
|
|
namespace rfl {
|
||
|
|
namespace internal {
|
||
|
|
|
||
|
|
template <class FieldTuple, class... Args>
|
||
|
|
auto move_and_flatten_field_tuple(FieldTuple&& _t, Args&&... _args) {
|
||
|
|
constexpr auto i = sizeof...(Args);
|
||
|
|
if constexpr (i == std::tuple_size_v<std::remove_cvref_t<FieldTuple>>) {
|
||
|
|
return std::tuple_cat(std::move(_args)...);
|
||
|
|
} else {
|
||
|
|
using T = std::tuple_element_t<i, std::remove_cvref_t<FieldTuple>>;
|
||
|
|
if constexpr (is_flatten_field<T>::value) {
|
||
|
|
return move_and_flatten_field_tuple(
|
||
|
|
std::move(_t), std::move(_args)...,
|
||
|
|
move_and_flatten_field_tuple(
|
||
|
|
move_to_field_tuple(std::move(std::get<i>(_t).value_))));
|
||
|
|
} else {
|
||
|
|
return move_and_flatten_field_tuple(
|
||
|
|
std::move(_t), std::move(_args)...,
|
||
|
|
std::make_tuple(std::move(std::get<i>(_t))));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace internal
|
||
|
|
} // namespace rfl
|
||
|
|
|
||
|
|
#endif
|