The following code example is taken from the book
C++ Templates - The Complete Guide
by David Vandevoorde and Nicolai M. Josuttis, Addison-Wesley, 2002
© Copyright David Vandevoorde and Nicolai M. Josuttis 2002
#include <iostream>
#include "loop2.hpp"
int main()
{
int a[3] = { 1, 2, 3};
int b[3] = { 5, 6, 7};
std::cout << "dot_product<3>(a,b) = " << dot_product<3>(a,b)
<< '\n';
std::cout << "dot_product<3>(a,a) = " << dot_product<3>(a,a)
<< '\n';
}