右值 Test

#include <iostream>
#include <vector>
#include <mutex>
#include <memory.h>

using namespace  std;

int e = 6;
int getNum()
{
    return 5;
};

int main()
{
    int a = std::move(getNum());
    int b = getNum();

    const int c = getNum();
    //const& int d = getNum(); error 即const& 不能直接返回右值，面试回答错了
    //const& int d = std::move(getNum());error 即const& 不能直接返回右值，面试回答错了
    //const& int d = std::forward(getNum());
    cout <<a<<endl;
    cout <<b<<endl;
    cout <<c<<endl;

    
    int e = 5;
    cout <<e<<endl;

    for(int i = 0; i < 10;i++)
    {
        cout <<i<<endl;
    }
    int f,k;
    cout << f <<endl;
    cout << k <<endl;
    getchar();
    return 0;
}