C++编程 - tuple、any容器

flyfish 2014-10-29

作用1 替换struct

struct t1
{
int nID;
double dVal;
};

typedef std::tuple<int,double> t1;

std::tuple<int,double> TupleFunction1()
{
	std::tuple<int,double> tupRet(0,0);


	tupRet=std::tuple<int,double>(1,2.1);


	return tupRet;
}

std::tuple<int,double> TupleFunction2()
{
	return std::make_tuple(1,2.1);
}

auto ret=TupleFunction1();
 std::cout<<std::get<0>(ret)<<" "<<std::get<1>(ret)<< std::endl;

boost::any a=1;
boost::any b=2.1;

	 std::vector<boost::any> v;
	 v.push_back(1);
	 v.push_back(2.1);

void OutputAny(boost::any a)
{
	if (!a.empty())
	{
		if(a.type() == typeid(int))
		{
			std::cout<< boost::any_cast<int>(a)<<std::endl;
		}
		if(a.type() == typeid(double))
		{
			std::cout<< boost::any_cast<double>(a)<<std::endl;
		}


	}
}

for each(auto e in v)
{
	OutputAny(e);
}

C++编程 - tuple、any容器