hlint software package provides Haskell source code suggestions, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install hlint
hlint is installed in your system.
Make ensure the hlint package were installed using the commands given below,
$ sudo dpkg-query -l | grep hlint *
You will get with hlint package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Haskell |
| Package | hlint |
| Version | 1.8.61-1+b3 [s390x], 1.8.61-1+ |
| Description | Haskell source code suggestions |
| Sub Section | Haskell |