C++ 教程目录

String 类和标准模板库

fowlsp.cpp

来源: String 类和标准模板库

点击上方按钮打开代码编辑器和可视化视图

⚠️ 交互式运行提示

为了防止网页挂起,所有 cin 输入语句已被自动注释。请直接在代码编辑器中修改变量的值来进行测试。

书本配套例题

原始代码预览

// fowlsp.cpp  -- shared_ptr a good choice
#include <iostream>
#include <string>
#include <memory>

int main()
{
    using namespace std;
    shared_ptr<string> films[5] =
    {
        shared_ptr<string> (new string("Fowl Balls")),
        shared_ptr<string> (new string("Duck Walks")),
        shared_ptr<string> (new string("Chicken Runs")),
        shared_ptr<string> (new string("Turkey Errors")),
        shared_ptr<string> (new string("Goose Eggs"))
    };
    shared_ptr<string> pwin;
    pwin = films[2];   // films[2], pwin both point to "Chicken Runs"

    cout << "The nominees for best avian baseball film are\n";
    for (int i = 0; i < 5; i++)
        cout << *films[i] << endl;
    cout << "The winner is " << *pwin << "!\n";
    // cin.get();
    return 0;
}
C++ Playground
运行结果 / 调试信息
等待编译...
Graph loading...
0 / 0