LWG3891: LWG3870 breaks `std::expected<cv T, E>`
Open
c++26
libc++
lwg-issue
- Dominant language
- LLVM
- Stars
- 40.5k
- Forks
- 18.7k
- PR merge metrics
- PR metrics pending
Description
**Link:** https://wg21.link/LWG3891
Contributor guide
Research direction
Start by reading LWG3891 at the linked WG21 page, then compare it with the LWG3870 change affecting std::expected. Identify the relevant libc++ implementation and tests only after understanding the standard-library defect; done means the implementation conforms to the resolution and its regression coverage passes.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- compilers
- Issue type
- Bug
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Quiet
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100