C++Primer练习答案

2.5.2节练习

2.35

#include<iostream>
#include"Sales_item.h"
int main()
{
	const int i = 42;
	auto j = i;
	const auto& k = i;
	auto* p = &i;
	const auto j2 = i, & k2 = i;
	std::cout << typeid(i).name() << std::endl;
	std::cout << typeid(j).name() << std::endl;
	std::cout << typeid(k).name() << std::endl;
	std::cout << typeid(p).name() << std::endl;
	std::cout << typeid(j2).name() << std::endl;
	std::cout << typeid(k2).name() << std::endl;
}