P3726R2 Adjustments To Union Lifetime Rules
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compiler
cxx26
- Dominant language
- C++
- Stars
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- Avg merge
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- Merged PRs (30d)
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Description
WG21-P3726R2 Adjustments To Union Lifetime Rules
This is a Core paper with Library impact, adding start_lifetime() to <memory>.
Feature-test macro:
#define __cpp_lib_start_lifetime 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
Start by reading WG21-P3726R2 and the existing implementation and tests for related lifetime facilities. The issue identifies start_lifetime() and its feature-test macro as the intended outcome, but notes that C++26 feature PRs are not yet being accepted.
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
- Active
- Clarity
- Mostly clear
- Newbie friendliness
- 25/100