Variadic templates are essential for simple, argument forwarding template functions. std::vector::emplace_back is a very simple example, this kind of use comes

Variadic templates are essential for simple, argument forwarding template functions. std::vector::emplace_back is a very simple example, this kind of use comes up now and then during work. [1] https://en.cppreference.com/w/cpp/container/vector/emplace_back https://en.cppreference.com/w/cpp/container/vector/emplace_b... edit: This also shows that you don't have to be able to write variadic templates to reap the benefits of it. You can enjoy the benefits while using a library that uses it.