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#include <iostream>
template <typename T>
class Base
{
public:
void member();
};
template <typename T>
void Base<T>::member()
{
std::cout << "This is Base<T>::member()\n";
}
template <>
void Base<int>::member()
{
std::cout << "This is the int-specialization\n";
}
template <typename T>
class Derived: public Base<T>
{
public:
Derived();
virtual void member();
};
template <typename T>
void Derived<T>::member()
{
std::cout << "This is Derived<T>::member()\n";
}
template <typename T>
Derived<T>::Derived()
{
this->member(); // Using `this' implies using the
// type for which T was instantiated
Derived<T>::member(); // Same: calls the Derived member
Base<T>::member(); // Same: calls the Base member
std::cout << "Derived<T>::Derived() completed\n";
}
int main()
{
Derived<double> d;
Derived<int> i;
}
/*
Generated output:
This is Derived<T>::member()
This is Derived<T>::member()
This is Base<T>::member()
Derived<T>::Derived() completed
This is Derived<T>::member()
This is Derived<T>::member()
This is the int-specialization
Derived<T>::Derived() completed
*/
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