libghc-unbounded-delays-dev software package provides Unbounded thread delays and timeouts, 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-unbounded-delays-dev
libghc-unbounded-delays-dev is installed in your system.
Make ensure the libghc-unbounded-delays-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libghc-unbounded-delays-dev *
You will get with libghc-unbounded-delays-dev package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Haskell |
| Package | libghc-unbounded-delays-dev |
| Version | 0.1.0.8-1+b1 [s390x], 0.1.0.8- |
| Description | Unbounded thread delays and timeouts |
| Sub Section | Haskell |