hoogle software package provides Haskell API Search for Debian system, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install hoogle
hoogle is installed in your system.
Make ensure the hoogle package were installed using the commands given below,
$ sudo dpkg-query -l | grep hoogle *
You will get with hoogle package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Miscellaneous |
| Package | hoogle |
| Version | 4.2.43-3 |
| Description | Haskell API Search for Debian system |
| Sub Section | Misc |