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 T>
class AccumulationTraits;
template<>
class AccumulationTraits<char> {
public:
typedef int AccT;
static AccT const zero = 0;
};
template<>
class AccumulationTraits<short> {
public:
typedef int AccT;
static AccT const zero = 0;
};
template<>
class AccumulationTraits<int> {
public:
typedef long AccT;
static AccT const zero = 0;
};
//...