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- const README: rewrite the space-saving claim per issue #5 follow-ups (constant-expression const vs #define immediates; which const qualify as constant expressions) - const README: fix the class-section diagnosis per issue #338 (overload resolution picks the const overload; the restriction only surfaces once that overload is removed) - sizeof README: virtual-inheritance result is compiler-dependent (GCC merges vbptr+vfptr -> 16, MSVC keeps them separate -> 32) #246 - static README: new section on internal linkage / access restriction with anonymous-namespace comparison #142 - 10-day practice: full problem list table + fixed day links #136 - new design_pattern/singleton/singleton_default.hpp: reusable thread-safe CRTP singleton template, compile+concurrency tested #303
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# struct与class区别
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> 本文档由 [C++那些事网站](https://light-city.github.io/stories_things/cpp-things/struct-vs-class/) 同步生成,网站版本含多语言与更新排版。
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# C++ struct 与 class 区别
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## 关于作者:
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个人公众号:
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关于C与C++中struct内容:见[struct那些事](../struct)
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关于C与C++中struct内容:见[struct那些事](struct.md)
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总的来说,struct 更适合看成是一个数据结构的实现体,class 更适合看成是一个对象的实现体。
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默认的继承访问权限。struct 是 public 的,class 是 private 的。
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struct 作为数据结构的实现体,它默认的数据访问控制是 public 的,而 class 作为对象的实现体,它默认的成员变量访问控制是 private 的。
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struct 作为数据结构的实现体,它默认的数据访问控制是 public 的,而 class 作为对象的实现体,它默认的成员变量访问控制是 private 的。
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