C++,帮忙支持这个重载罢

原谅我这个已经唠叨了太多遍了，但是我依然抑制不住自己唠叨的继续


template <typename T1,typename T2,typename T3,typename T4,typename T5>
class _vars_string{
public:
typedef T1 type_1;
typedef T2 type_2;
typedef T3 type_3;
typedef T4 type_4;
typedef T5 type_5;
};

template<typename T1,typename T2,typename T3,typename T4>
class _vars_string{
public:
typedef T1 type_1;
typedef T2 type_2;
typedef T3 type_3;
typedef T4 type_4;
};

template<typename T1,typename T2,typename T3>
class _vars_string{
public:
typedef T1 type_1;
typedef T2 type_2;
typedef T3 type_3;
};

template<typename T1,typename T2>
class _vars_string{
public:
typedef T1 type_1;
typedef T2 type_2;
};

template<typename T1>
class _vars_string{
public:
typedef T1 type_1;
};