alt Hacker News1. You still need std::launder in that case.
2. It doesn't initialize the object that is implicitly created, even if the storage has initialized chars.
1. You still need std::launder in that case.
2. It doesn't initialize the object that is implicitly created, even if the storage has initialized chars.
The paper that introduced the implicit lifetime mechanism suggests that std::launder is not required: https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2020/p05....