libghc-adjunctions-dev software package provides Adjunctions, 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 libghc-adjunctions-dev
libghc-adjunctions-dev is installed in your system.
Make ensure the libghc-adjunctions-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libghc-adjunctions-dev *
You will get with libghc-adjunctions-dev package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Haskell |
| Package | libghc-adjunctions-dev |
| Version | 4.1.0.1-1+b5 [amd64, mipsel, s |
| Description | Adjunctions |
| Sub Section | Haskell |