hscolour software package provides Haskell program to colourise Haskell code, 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 hscolour
hscolour is installed in your system.
Make ensure the hscolour package were installed using the commands given below,
$ sudo dpkg-query -l | grep hscolour *
You will get with hscolour package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Haskell |
| Package | hscolour |
| Version | 1.20.3-3+b2 [arm64], 1.20.3-3+ |
| Description | Haskell program to colourise Haskell code |
| Sub Section | Haskell |