WG21-P3798R1 `expected::has_error()`
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cxx29
- Dominant language
- C++
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Description
WG21-P3798R1 expected::has_error()
INCREASED feature-test macro:
#define __cpp_lib_expected 202606L
Note: We are not yet accepting PRs for C++29 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
Start by reading WG21-P3798R1, then locate the repository's existing implementation of std::expected and its feature-test macro. The issue provides no file or test entry point; completion would require implementing expected::has_error() and updating __cpp_lib_expected to 202606L when the project is ready to accept C++29 features.
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
- Quiet
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100