feat: make Struct tuple-like class (#343)

This commit is contained in:
Stanislav Angelovič
2023-08-03 13:00:01 +02:00
parent f6e597a583
commit 0a2bda9c67
3 changed files with 53 additions and 10 deletions
+17
View File
@@ -104,6 +104,10 @@ namespace sdbus {
*
* Representation of struct D-Bus type
*
* Struct implements tuple protocol, i.e. it's a tuple-like class.
* It can be used with std::get<>(), std::tuple_element,
* std::tuple_size and in structured bindings.
*
***********************************************/
template <typename... _ValueTypes>
class Struct
@@ -135,6 +139,9 @@ namespace sdbus {
}
};
template <typename... _Elements>
Struct(_Elements...) -> Struct<_Elements...>;
template<typename... _Elements>
constexpr Struct<std::decay_t<_Elements>...>
make_struct(_Elements&&... args)
@@ -280,4 +287,14 @@ namespace sdbus {
}
template <size_t _I, typename... _ValueTypes>
struct std::tuple_element<_I, sdbus::Struct<_ValueTypes...>>
: std::tuple_element<_I, std::tuple<_ValueTypes...>>
{};
template <typename... _ValueTypes>
struct std::tuple_size<sdbus::Struct<_ValueTypes...>>
: std::tuple_size<std::tuple<_ValueTypes...>>
{};
#endif /* SDBUS_CXX_TYPES_H_ */