LWG-4121 `ranges::to` constructs associative containers via `c.emplace(c.end(), *it)`
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LWG
ranges
- Dominant language
- C++
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Description
LWG-4121 ranges::to constructs associative containers via c.emplace(c.end(), *it)
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 with the ranges::to entry point and read LWG-4121 to understand the required associative-container construction behavior. Locate the implementation and relevant tests, then verify that ranges::to no longer uses the reported c.emplace(c.end(), *it) path for associative containers.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- backend-api-design
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Quiet
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100