---
name: "hlint"
section: "1"
platform: "linux"
package: "hlint"
version: "3.6.1-1+b1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/hlint"
---

# hlint(1)

haskell source code suggestions

## NAME

HLint - haskell source code suggestions

## SYNOPSIS

**hlint** \[*files/directories*\] \[*options*\]

## DESCRIPTION

*HLint* is a tool for suggesting possible improvements to Haskell code. These suggestions include ideas such as using alternative functions, simplifying code and spotting redundancies.

## OPTIONS

- **-?** **--help**

  Display help message

- **-v** **--version**

  Display version information

- **-r\[file\]** **--report**\[=*file*\]

  Generate a report in HTML

- **-h** *file* **--hint**=*file*

  Hint/ignore file to use

- **-c** **--color**, **--colour**

  Color the output (requires ANSI terminal)

- **-i** *message* **--ignore**=*message*

  Ignore a particular hint

- **-s** **--show**

  Show all ignored ideas

- **-t** **--test**

  Run in test mode

## EXAMPLE

"To check all Haskell files in 'src' and generate a report type:"

-

  hlint src **--report**

## SEE ALSO

The full documentation for **HLint** is available in */usr/share/doc/hlint/README.md.gz*.

## AUTHOR

This   manual   page   was  written  by  Joachim Breitner \<nomeata@debian.org\> for the Debian system (but may be used by others).