template <typename T>
T const &saveParam(T const &param)
{
    return param;
}

std::string saveParam(char const *const str)
{
    return str;
}

std::wstring saveParam(wchar_t const *const str)
{
    return str;
}

template <typename... Parameters>
void tupleUnpack(Parameters const &...params)
{
}

template <typename... Parameters>
void tupleSend(std::tuple<Parameters...> const &tuple)
{
    tupleUnpack(std::get<Parameters>(tuple)...);
}

template <typename... Parameters>
void tupleMake(Parameters const &...params)
{
    auto tuple = std::make_tuple(saveParam(params)...);
    tupleSend(tuple);
}

void tupleTest()
{
    tupleMake(12.8, '6', 7, "abc");
    tupleMake(12.8, '6', 7, "abc", "def"); // Не компилируется. Говорит дубликт
                                           // типов. ***?
}

template <typename... Parameters>
void tupleUnpack(Parameters const &...params)
{
}

template <typename... Parameters>
void tupleSend(std::tuple<Parameters...> const &tuple)
{
    std::apply(tupleUnpack, tuple);
}

struct TupleUnpack
{
    template <typename... Parameters>
    TupleUnpack(Parameters const &...params)
    {
    }
};

template <typename... Parameters>
void tupleSend(std::tuple<Parameters...> const &tuple)
{
    auto aaa = std::make_from_tuple<TupleUnpack>(tuple);
}