Is it possible to expand non-variadic arguments in a variadic template function?

Question

It is probably easier to explain what I mean by an example. Imagine a following template:

template 

        

Answer 1

You can do this with something like

template <class... Args>
std::tuple<Args...> foo(proxy<Args, const char*>... names);

where proxy is

template<class T, class E>
using proxy = E;

You can see this in action here: https://godbolt.org/g/SHBYzy