chapter18test3

#include<iostream>

using namespace std;

long double sum = 0.0;

void sum_value(){}

template<typename T>

T sum_value(const T&t)

{
sum += t;
return sum;

}

template<typename T, typename...Args>

T sum_value(const T&t, const Args&...args)

{
sum += t;
sum_value(args...);
return sum;

}

int main()

{
long double num=sum_value(23.14,54.2,'a',90);
cout << num << endl;
return 0;

}