Issues

• Maintenance status

  ndmitchell/hlint#1711 · Filter by author arybczak opened on Oct 20, 2026
  3

• Use Data.List.functionName over functionName for List functions?

  ndmitchell/hlint#1710 · Filter by author emberdart opened on Oct 15, 2026

• Lint suggesting to use max can change behavior in case of a tie

  ndmitchell/hlint#1709 · Filter by author LatencyIndex opened on Oct 10, 2026

• Restricting usage of constructor named as the type

  ndmitchell/hlint#1708 · Filter by author marcosh opened on Oct 1, 2026

• Warn on a specific type application

  ndmitchell/hlint#1707 · Filter by author fpringle opened on Oct 1, 2026

• "Missing NOINLINE pragma" hint should check both for NOINLINE and OPAQUE

  ndmitchell/hlint#1705 · Filter by author Bodigrim opened on Aug 7, 2026

• Support 'data' as well as 'pattern' in import/export lists

  ndmitchell/hlint#1703 · Filter by author ianmackenzie opened on Jul 30, 2026
  1

• Allow checking for Map.Map occurrences

  ndmitchell/hlint#1701 · Filter by author NorfairKing opened on Jul 20, 2026

• dead links

  ndmitchell/hlint#1698 · Filter by author e-kwsm opened on Jun 20, 2026

• Export declName from public API

  ndmitchell/hlint#1697 · Filter by author georgefst opened on Jun 13, 2026

• Support do-notation patterns in custom hint rules (e.g. _ <- f x → f_ x)

  ndmitchell/hlint#1695 · Filter by author NorfairKing opened on Apr 23, 2026

• Wrong Use record patterns hint when type applications are present

  ndmitchell/hlint#1679 · Filter by author Mikolaj opened on Apr 12, 2026

• Suggesting to replace intercalate " " with unwords is incorrect in the presence of OverloadedStrings

  ndmitchell/hlint#1674 · Filter by author josefs opened on Mar 7, 2026

• cabal install hlint fails with ghc-9.14.1

  ndmitchell/hlint#1672 · Filter by author shayne-fletcher opened on Dec 20, 2025
  1

• Make hlint self-weeding

  ndmitchell/hlint#1669 · Filter by author NorfairKing opened on Dec 11, 2025

• Add a way to make enable predefined groups only in specific modules

  ndmitchell/hlint#1668 · Filter by author webdevred opened on Dec 4, 2025

• Distinguish between truly redundant parens and technically redundant parens

  ndmitchell/hlint#1665 · Filter by author NorfairKing opened on Sep 18, 2025
  2

• Take over cpphs ?

  ndmitchell/hlint#1664 · Filter by author andreasabel opened on Sep 14, 2025

• mode :: Mode (CmdArgs Cmd) memoizes async exceptions, breaking HLS Shake restarts

  ndmitchell/hlint#1663 · Filter by author soulomoon opened on Sep 7, 2025
  1

• How do I enforce import Data.Set (Set); import qualified Data.Set as Set?

  ndmitchell/hlint#1658 · Filter by author JackKelly-Bellroy opened on Aug 14, 2025
  2

• Remove malfunctioning hint "Avoid NonEmpty.unzip"

  ndmitchell/hlint#1657 · Filter by author andreasabel opened on Jul 14, 2025

• Don't print irrelevant where clauses

  ndmitchell/hlint#1653 · Filter by author bgohla opened on Jun 13, 2025

• Warn on unused hints

  ndmitchell/hlint#1651 · Filter by author LeventErkok opened on Jun 4, 2025

• False positive "Unused LANGUAGE pragma"

  ndmitchell/hlint#1650 · Filter by author cblp opened on May 24, 2025
  2

• Wildcard rules for imports have their relevant properties unioned, including exclusions

  ndmitchell/hlint#1647 · Filter by author parsonsmatt opened on May 21, 2025
  2