Filter proc-macro helper attributes at AST lowering
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A-attributes
C-cleanup
T-compiler
- Dominant language
- Rust
- Stars
- 119k
- Forks
- 16.1k
- PR merge metrics
- PR metrics pending
Description
Currently these are kept around in hir, and that's entirely unnecessary. Part of #131229
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 tracing the AST lowering path mentioned in the issue and compare how proc-macro helper attributes are represented before and after lowering. Confirm the intended behavior against the related work in #131229; done means those helper attributes are filtered before they reach HIR without breaking existing compiler tests.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- compilers
- Issue type
- Refactor
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100