P2927R3 `exception_ptr_cast()`
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- C++
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Description
WG21-P2927R3 exception_ptr_cast()
WG21-P3748R0 constexpr exception_ptr_cast()
WG21-P3981R2 Better Return Types In inplace_vector And exception_ptr_cast() (obviously, only half of this paper applies here)
Feature-test macro:
#define __cpp_lib_exception_ptr_cast 202603L
Note: We are not yet accepting PRs for C++26 features.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Read WG21-P2927R3, WG21-P3748R0, and the applicable portion of WG21-P3981R2 to establish the required exception_ptr_cast behavior and return types. Check the feature-test macro requirement and the note that C++26 feature pull requests are not yet being accepted; completion would require implementing the specified feature and validating its tests once work is open for contribution.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- compilers
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 25/100