[range.join.with.iterator] Simplify `operator--` with *`as-lvalue`*
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Description
This drafting note accompanies https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2023/p2770r0.html#pnum_26:
[ Drafting note: The specification of operator-- in paragraph 14 can be editorially simplified using the new as-lvalue helper; that cleanup is not included in this paper as there is no normative impact. ]
See operator--: https://eel.is/c++draft/range.join.with.iterator#itemdecl:10.
The PR which adds as-lvalue is #6128.
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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 the drafting note in P2770R0 and inspect operator-- in range.join.with.iterator, then review PR #6128 for the as-lvalue helper it introduces. The work is complete when the operator-- specification is editorially simplified using that helper without changing its normative meaning.
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Assessment
- Tech stack
- cpp
- Domain
- documentation
- Issue type
- Documentation
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Clearly specified
- Newbie friendliness
- 45/100