Install libghc-safe-prof by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-safe-prof
Description:
Profiling library for safe (pattern match free) functions; profiling libraries
. Partial functions from the base library, such as head and !!, modified to return more descriptive error messages, programmer defined error messages, Maybe wrapped results and default values. These functions can be used to reduce the number of unsafe pattern matches in your code. . This package provides a library for the Haskell programming language, compiled for profiling. See http://www.haskell.org/ for more information on Haskell.
Homepage: https://github.com/ndmitchell/safe#readme
Version: 0.3.15-1
Section: universe/haskell