libghc-contravariant-prof software package provides Haskell 98 contravariant functors; profiling data, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libghc-contravariant-prof
libghc-contravariant-prof is installed in your system.
Make ensure the libghc-contravariant-prof package were installed using the commands given below,
$ sudo dpkg-query -l | grep libghc-contravariant-prof *
You will get with libghc-contravariant-prof package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Haskell |
| Package | libghc-contravariant-prof |
| Version | 0.2.0.2-1+b1 |
| Description | Haskell 98 contravariant functors; profiling data |
| Sub Section | Haskell |