The following code example is taken from the book
C++ Templates - The Complete Guide, 2nd Edition
by David Vandevoorde, Nicolai M. Josuttis, and Douglas Gregor,
Addison-Wesley, 2017
© Copyright David Vandevoorde, Nicolai M. Josuttis, Douglas Gregor 2017
#include <iostream>
template<typename T>
void print (T arg)
{
std::cout << arg << '\n'; // print passed argument
}
template<typename T, typename... Types>
void print (T firstArg, Types... args)
{
print(firstArg); // call print() for the first argument
print(args...); // call print() for remaining arguments
}