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 R>
class CompoundT<R()> {
public:
enum { IsPtrT = 0, IsRefT = 0, IsArrayT = 0,
IsFuncT = 1, IsPtrMemT = 0 };
typedef R BaseT();
typedef R BottomT();
typedef CompoundT<void> ClassT;
};
template<typename R, typename P1>
class CompoundT<R(P1)> {
public:
enum { IsPtrT = 0, IsRefT = 0, IsArrayT = 0,
IsFuncT = 1, IsPtrMemT = 0 };
typedef R BaseT(P1);
typedef R BottomT(P1);
typedef CompoundT<void> ClassT;
};
template<typename R, typename P1>
class CompoundT<R(P1, ...)> {
public:
enum { IsPtrT = 0, IsRefT = 0, IsArrayT = 0,
IsFuncT = 1, IsPtrMemT = 0 };
typedef R BaseT(P1);
typedef R BottomT(P1);
typedef CompoundT<void> ClassT;
};
//...