The following code example is taken from the book
Object-Oriented Programming in C++
by Nicolai M. Josuttis, Wiley, 2002
© Copyright Nicolai M. Josuttis 2002
// include header file of the class
#include "frac.hpp"
// include standard header files
#include <cstdlib>
#include <iostream>
// **** BEGIN Namespace CPPBook ********************************
namespace CPPBook {
#include "frac10.cpp"
/* printOn
* - output fraction on stream strm
*/
void Fraction::printOn (std::ostream& strm) const
{
strm << numer << '/' << denom;
}
} // **** END Namespace CPPBook ********************************