ndmitchell / ndmitchell/hlint

Warn about unused As imports

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#330 2 comments 0 reactions 0 assignees View on GitHub

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Dominant language
Haskell
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Forks
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Description

If someone does an import Foo as Bar, and the qualified name Bar is never used, then warn.

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by locating HLint's import-handling and unused-name diagnostics, then find the existing tests for import warnings. Add coverage for an aliased import whose qualified name is never used, and confirm that HLint emits a warning while leaving used aliases unflagged.

Written by the indexing model from the issue text.

Assessment

Tech stack
haskell
Domain
tooling
Issue type
Feature
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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