Command-line tool

hlint

brew/hlint

Checked 25 Oct 2026, 21:09 UTC · Listing refreshed from Homebrew, winget, npm, Scoop and cargo; npm packages checked against OSV.dev

Haskell source code suggestions

Website Source

At a glance

Type

Command-line tool

Install on

macOS, Linux

Last checked

25 Oct 2026, 21:09 UTC

Install it

macOS

brew install hlint

Linux

brew install hlint

Display suggestions for a given file

hlint path/to/file options

Check all Haskell files and generate a report

hlint path/to/directory -r

Automatically apply most suggestions

hlint path/to/file --refactor

Related command-line tools

• ormolu
  Formatter for Haskell source code
• fourmolu
  Formatter for Haskell source code
• stylish-haskell
  Haskell code prettifier
• ghciwatch
  Ghciwatch loads a GHCi session for a Haskell project and reloads it when source files change.
• haskell-language-server
  Integration point for ghcide and haskell-ide-engine. One IDE to rule them all
• ghc
  Glorious Glasgow Haskell Compilation System
• ghcid
  Very low feature GHCi based IDE
• haskell-stack
  Cross-platform program for developing Haskell projects haskell cabal-build stack stackage

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