Book of Monads
Book of Monads
About the Book
Monads are key to unlocking many powerful patterns in functional programming. Alas, many developers struggle at first with the concept and the applications of monads. This books provides a full dive into the subject, including thorough explanations of adjacent concepts such as functors, monad transformers, final tagless, or extensible effects.
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Table of Contents
I. What is a Monad?
- 1. Discovering Monads
- 2. Better Notation
- 3. Lifting Pure Functions
- 4. Utilities for Monadic Code
- 5. Interlude: Monad Laws
II. More Monads
- 6. Pure Reader-Writer-State Monads
- 7. Failure and Logic
- 8. Monads for Mutability
- 9. Resource Management and Continuations
III. Combining Monads
- 10. Functor Composition
- 11. A Solution: Monad Transformers
- 12. Generic Lifting and Unlifting
IV. Rolling Your Own Monads
- 13. Defining Custom Monads
- 14. Composing Custom Monads
- 15. Performance of Free Monads
V. Diving into Theory
- 16. A Roadmap
- 17. Just a Monoid!
- 18. Adjunctions
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