lst-0090-book.cpp
// https://godbolt.org/z/baPeoTbM8
template<> // full specialization
class MyPair<std::string, std::string> {
std::vector<std::string> data_;
public:
MyPair(const std::string& t, const std::string& u) : data_{t, u} { }
};
int main() {
// uses the full specialization:
MyPair<std::string,std::string> strStr{"c","d"};
}