1. Problem Solving with Maybe

  2. The Mechanics of Maybe

  3. Why Factories?

  4. 5 Common JSON Decoders

  5. Two ways of looking at map functions

  6. Modeling with Union Types

  7. Booleans and Enums

  8. Following the Path

  9. Decorating ActiveRecord

  10. Modeling a Paginated API as a Lazy Stream