322       boost::mpl::for_each<dbus_variant::types>([&](auto t) {  in unpack()  argument
323         if (arg_type == element<decltype(t)>::code) {  in unpack()
324           decltype(t) val_to_fill;  in unpack()
442         typename Container::value_type t;  in unpack()  local
443         if (!sub.unpack(t)) {  in unpack()
446         c.emplace(std::move(t));  in unpack()
530 constexpr auto apply(F f, Tuple& t) {  in apply()  argument
532       [&](auto... Is) { return f(std::get<Is>(t)...); });  in apply()
536 constexpr bool unpack_into_tuple(Tuple& t, dbus::message& m) {  in unpack_into_tuple()  argument
538       [&](auto... Is) { return m.unpack(std::get<Is>(t)...); });  in unpack_into_tuple()
542 constexpr bool unpack_into_tuple(std::tuple<>& t, dbus::message& m) {  in unpack_into_tuple()  argument
547 constexpr bool pack_tuple_into_msg(std::tuple<Args...>& t, dbus::message& m) {  in pack_tuple_into_msg()  argument
549       [&](auto... Is) { return m.pack(std::get<Is>(t)...); });  in pack_tuple_into_msg()
553 constexpr bool pack_tuple_into_msg(std::tuple<>& t, dbus::message& m) {  in pack_tuple_into_msg()  argument
559 constexpr bool pack_tuple_into_msg(Element& t, dbus::message& m) {  in pack_tuple_into_msg()  argument
560   return m.pack(t);  in pack_tuple_into_msg()