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
template <typename FO, int P, typename V>
class Binder : private FO, private V {
public:
//...
ReturnT operator() (Param1T v1, Param2T v2, Param3T v3) {
return FO::operator()(ArgSelect<1>::from(v1,v1,V::get()),
ArgSelect<2>::from(v1,v2,V::get()),
ArgSelect<3>::from(v2,v3,V::get()),
ArgSelect<4>::from(v3,v3,V::get()));
}
//...
};