菜单
C++ Mental Models: Pointer vs Reference, Initialization, Undefined Behavior.
用 Codex 或 Claude 帮你安装 复制这段 Prompt，粘贴到 Codex、Claude 或其他助手里，让它检查 Skill 页面并帮你完成安装。
基于 SOC 职业分类
| name | m14-mental-model |
| description | C++ Mental Models: Pointer vs Reference, Initialization, Undefined Behavior. |
What happens in memory?
Is it a Copy or Reference?
auto x = y (Copy).auto& x = y (Reference).Does it dangle?
&local is always wrong.| Concept | Mental Model |
|---|---|
T& | Guaranteed Alias. |
T* | Nullable Address (Requires check). |
std::move | Cast to rvalue (Prepare to steal). |
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Mastering C++ Ownership: Move Semantics, RAII, and Reference Safety. Triggers: std::move, use-after-free, double-free, dangling pointer, copy elision, RVO, reference qualifiers.
Mastering C++ Smart Pointers: unique_ptr, shared_ptr, weak_ptr. Triggers: memory management, cycles, enable_shared_from_this, make_unique, make_shared, custom deleters.
Mastering C++ Const Correctness and Mutability. Triggers: const, mutable, logically const, bitwise const, data race, mutex, shared_mutex, thread safety.
Mastering C++ Polymorphism: Templates, Concepts, and Virtual Functions. Triggers: templates, concepts, vtable, CRTP, static polymorphism, dynamic polymorphism, SFINAE.
Mastering C++ Type-Driven Design. Triggers: strong types, phantom types, type state pattern, builder pattern, invalid state unrepresentable.