`hlint` flags multiline warnings incorrectly under CPP
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- Haskell
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Description
For example, hlint incorrectly thinks that the trailing double backslash is wrong:
https://github.com/input-output-hk/cardano-node/pull/1685
Explanation of why here:
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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
Start by reproducing the multiline warning described in the issue, using the linked Cardano PR as the example and the GHC issue for CPP behavior. Trace how hlint handles the trailing double backslash under CPP; done means valid multiline warnings are no longer flagged incorrectly.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- haskell
- Domain
- tooling
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100