template class の インスタンス呼び出し

callTemplateClassConstractor.cpp

# include <vector>
# include <iostream>

template <class T>
class Hoge {
    public:
        Hoge();
        ~Hoge(){};
        void print();
    private: std::vector<T> t_vector;
};

class Fuga {
    public:
        Fuga():a_(3){};
        int a_;
    private:
};

template<class T>
Hoge<T>::Hoge(){
    int size = 50;
    t_vector.resize(size);
    for(int i = 0; i < t_vector.size();++i){
        t_vector[i] = T();
    }
};

template<class T>
void Hoge<T>::print(){
    std::cout << t_vector.size() << std::endl;
}

int main() {
    Hoge<Fuga> h;
    h.print();
    return 1;
}

T();で呼び出しできる