haxml software package provides utilities for using XML documents with Haskell, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install haxml
haxml is installed in your system.
Make ensure the haxml package were installed using the commands given below,
$ sudo dpkg-query -l | grep haxml *
You will get with haxml package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Haskell |
| Package | haxml |
| Version | 1:1.25.3-4+b3 [mips64el], 1:1. |
| Description | utilities for using XML documents with Haskell |
| Sub Section | Haskell |