From the book "Get Programming with Haskell" mainly, and some other stuff from https://en.wikibooks.org/wiki/Yet_Another_Haskell_Tutorial/Type_basics
Some useful links:
- Mob.sh tool - https://mob.sh/
- IntelliJ quick reference card - Windows & Linux keymaps - https://resources.jetbrains.com/storage/products/intellij-idea/docs/IntelliJIDEA_ReferenceCard.pdf?_ga=2.239599683.1124354442.1606300477-394741017.1595697173