P3104R6 Bit Permutations
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- Dominant language
- C++
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Description
WG21-P3104R6 Bit Permutations
INCREASED feature-test macro, NOTE special interaction with #6340 WG21-P3793R2 Better Shifting which increased this "first":
The value for the feature-test macro should have a number one greater than the value for P3793, if both papers are applied to the draft during the same meeting.
#define __cpp_lib_bitops 202607L
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-P3104R6 and the referenced interaction with issue #6340, WG21-P3793R2. The stated completion point includes the feature-test macro value changing to 202607L when both papers land together. The issue says PRs for C++29 features are not yet being accepted, so no implementation entry point or test is identified.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- tooling
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Quiet
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100