forupto2.hpp

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


void forUpTo(int n, void (*f)(int))
{
  for (int i = 0; i != n; ++i)
  {
    f(i);  // call passed function f for i
  }
}