Haskell Fundamentals - Replace Redirects

This topic is for the [Replace Redirects] exercise in the [Haskell Fundamentals] trail. Post any questions, corrections, or pointers you have to share with other Upcase subscribers.
[Replace Redirects]: https://exercises.upcase.com/exercises/haskell-replace-redirects
[Haskell Fundamentals]: Learn Haskell Fundamentals | Haskell Online Tutorial by thoughtbot