The "blue collar" approach to functional programming is a fruitful one. Written about Scala, but applies to any language: https://www.lihaoyi.com/post/Strategi

The "blue collar" approach to functional programming is a fruitful one. Written about Scala, but applies to any language: https://www.lihaoyi.com/post/StrategicScalaStylePracticalTypeSafety.html https://www.lihaoyi.com/post/StrategicScalaStylePracticalTyp... In doing this, program organization starts to change in interesting ways. Modeling error states as regular data cleans up a lot of complexity.