c++11可变参数的使用

#include<iostream>
#include<cstdio>
#include<cstdlib>
using namespace std;

int add(int a, int b, ...)
{
    return a + b;
}

template<typename T, typename...>
class A
{
private:
    T data;
public:
    A() :data(0){}
    A(T d) :data(d){}
    ~A(){}
public:
    void dis()
    {
        cout << data << endl;
    }
};

void tprintf(const char* format)
{
    cout << format;
    return;
}

template<typename T, typename...Args>
void tprintf(const char* format, T t, Args... args)
{
    for (; *format != '\0'; format ++) {
        if (*format == '%'){
            cout << t;
            tprintf(format + 1, args...);
        return;
        }
        cout << *format;
    }
    return;
}
int main()
{
    cout << add(1, 2) << endl;
    cout << add(1, 2, 3, 4) << endl;
    A<int> obj1(2);
    A<int, char> obj2(3);
    obj1.dis();
    obj2.dis();
    tprintf("% world!% \n", "hello", "123");
    cin.get();
    return 0;
}