hlint

Tool for suggesting improvements to Haskell code. More information: http://hackage.haskell.org/package/hlint.

• Display suggestions for a given file:
  hlint {{path/to/file}} options
• Check all Haskell files and generate a report:
  hlint {{path/to/directory}} --report
• Automatically apply most suggestions:
  hlint {{path/to/file}} --refactor
• Display additional options:
  hlint {{path/to/file}} --refactor-options
• Generate a settings file ignoring all outstanding hints:
  hlint {{path/to/file}} --default > {{.hlint.yaml}}