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 
std::tuple foo(proxy... names);

where proxy is

template
using proxy = E;

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