sairate
c34823a3bd
- 新增现代 C++ 教程的 Preface 章节，包括英文和中文版本 - 添加 C++ Primer 练习代码 - 新增 Learn C++ 教程的 C++ 开发简介章节 - 添加头文件解析文档 - 更新 mkdocs.yml，包含新教程的目录结构 - 修改项目设置，使用 Python 3.10环境
39 lines
672 B
C++
39 lines
672 B
C++
//
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// 5.3.weak.ptr.cpp
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// chapter 05 start pointers and memory management
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// modern c++ tutorial
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//
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// created by changkun at changkun.de
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// https://github.com/changkun/modern-cpp-tutorial
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//
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#include <iostream>
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#include <memory>
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class A;
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class B;
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class A {
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public:
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std::shared_ptr<B> pointer;
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~A() {
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std::cout << "A was destroyed" << std::endl;
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}
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};
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class B {
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public:
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std::shared_ptr<A> pointer;
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~B() {
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std::cout << "B was destroyed" << std::endl;
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}
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};
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int main() {
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std::shared_ptr<A> a = std::make_shared<A>();
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std::shared_ptr<B> b = std::make_shared<B>();
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a->pointer = b;
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b->pointer = a;
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return 0;
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}
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