C++ template pack deduction - What am I doing wrong in this example?

This compiles and works fine:

编译并正常工作：

template<typename T, typename ... Args>
void func()
{
    std::cout << __PRETTY_FUNCTION__ << std::endl;
    func<Args...>();
}

int main()
{
    func<int, char, float>();
    return 0;
}
temp