P3856R8: New reflection metafunction - is_structural_type (US NB comment 49)
Open
c++26
libc++
reflection
wg21-paper
- Dominant language
- LLVM
- Stars
- 40.5k
- Forks
- 18.7k
- PR merge metrics
- PR metrics pending
Description
**Link:** https://wg21.link/P3856R8
Feature-test macro:
```c++
#define __cpp_lib_is_structural 202603L // also in ,
```
Contributor guide
Research direction
Read the linked P3856R8 proposal first, then identify the LLVM component and existing type-trait entry points relevant to the requested __cpp_lib_is_structural feature-test macro. Confirm the required behavior and test expectations in the proposal; done means the metafunction and macro conform to P3856R8.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- compilers
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Quiet
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100