c11 decltype与auto

#include <iostream>
#include <cstdarg>
#include <vector>
using namespace std;
template<typename  T, typename  D>
auto Add(T t, D d)->decltype(t+d) //指明返回类型
{
    return t + d;
}

int main()
{
	int  temp = 0;
	decltype(temp) te = 10;
	cout << te << endl;

	cout << Add(12.5, 10) << endl;

	vector<int> vec;
	for (size_t i = 0; i < 10; i++)
	{
		vec.push_back(i);
	}
	for (int i : vec)
	{
		cout << i << endl;
	}

	cin.get();
	return 0;
}