std::vector容器 move语义测试代码

2023-05-16

因为新项目需要有在多线程传递容器的操作,特意做了一个vector容器move语义的测试代码。

1. 代码

#include <iostream>
#include <vector>

int main()
{
    std::cout << "Hello World!\n";

    std::vector<int> v0;

    for (int i = 0; i < 10; i++)
        v0.push_back(i);


    std::vector<int> v1(std::move(v0));

    std::cout << "v0: ";
    for (auto it : v0)
        std::cout << "," <<  it;
    std::cout << std::endl;

    std::cout << "v1: ";
    for (auto it : v1)
        std::cout << "," << it;
    std::cout << std::endl;

    std::cout << "~~move again~~" << std::endl;
    v0 = std::move(v1);
    std::cout << "v0: ";
    for (auto it : v0)
        std::cout << "," << it;
    std::cout << std::endl;

    std::cout << "v1: ";
    for (auto it : v1)
        std::cout << "," << it;
    std::cout << std::endl;

    return 0;
}

2. 测试显示结果

 

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