hlint

Tool for suggesting improvements to Haskell code.

TLDR

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]

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

AUTHOR

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