template<class T> struct string {
template<class T2> int compare(const T2&);
template<class T2> string(const string<T2>& s) { /* ... */ }
};
template<class T> template<class T2> int string<T>::compare(const T2& s) {
}
template <class T> struct A { void f(int); template <class T2> void f(T2); }; template <> void A<int>::f(int) { } // non-template member function template <> template <> void A<int>::f<>(int) { } // member function template specialization int main() { A<char> ac; ac.f(1); // non-template ac.f('c'); // template ac.f<>(1); // template }
template <class T> struct AA { template <class C> virtual void g(C); // error virtual void f(); // OK };
class B { virtual void f(int); }; class D : public B { template <class T> void f(T); // does not override B::f(int) void f(int i) { f<>(i); } // overriding function that calls the template instantiation };
struct A { template <class T> operator T*(); }; template <class T> A::operator T*(){ return 0; } template <> A::operator char*(){ return 0; } // specialization template A::operator void*(); // explicit instantiation int main() { A a; int* ip; ip = a.operator int*(); // explicit call to template operator A::operator int*() }