Lifetime Bug：Dangling Pointer / Reference / View | C++
本章覆盖：dangling pointer；dangling reference；use-after-free；temporary lifetime；returning local reference；lambda reference capture；string_view / span lifetime；iterator invalidation 的连接留给 STL；async callback lifetime；所有权、借用与生命周期必须一起设计。
本章知识点
- dangling pointer
- dangling reference
- use-after-free
- temporary lifetime
- returning local reference
- lambda reference capture
- string_view / span lifetime
- iterator invalidation 的连接留给 STL
- async callback lifetime
- 所有权、借用与生命周期必须一起设计