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About
This book is for the typical Scala developer, probably with a Java background, who is both sceptical and curious about the Functional Programming (FP) paradigm. This book justifies every concept with practical examples, including writing a web application.
Frequently Asked Questions
Q: How does it compare to the red book?
A: This book is blue.
Q: Where can I buy a physical copy?
A: Hardback books are available at Lulu (and budget Paperbacks too).
Q: Is this suitable for beginners?
A: No, this is an intermediate book. First read Programming in Scala or Essential Scala.
Q: I know Haskell, is this book for me?
A: You're not really the target audience. Also, I am so sorry.
Q: Why is the cover so ugly?
A: Because I love Geometrical Methods of Mathematical Physics.
License
Author
Chartered Mathematician, Haskell and Emacs hacker, Free Software / education zealot. Read an interview with Sam by Leanpub.
The Leanpub Podcast
Podcast
Translations
Contents
About This Book
Copyleft Notice
Thanks
Practicalities
1.Introduction
- 1.1Abstracting over Execution
- 1.2Pure Functional Programming
2.For Comprehensions
- 2.1Syntax Sugar
- 2.2Unhappy path
- 2.3Gymnastics
- 2.4Incomprehensible
3.Application Design
- 3.1Specification
- 3.2Interfaces / Algebras
- 3.3Business Logic
- 3.4Unit Tests
- 3.5Parallel
- 3.6Summary
4.Data and Functionality
- 4.1Data
- 4.2Functionality
- 4.3Modelling OAuth2
- 4.4Summary
5.Scalaz Typeclasses
- 5.1Agenda
- 5.2Appendable Things
- 5.3Objecty Things
- 5.4Mappable Things
- 5.5Variance
- 5.6Apply and Bind
- 5.7Applicative and Monad
- 5.8Divide and Conquer
- 5.9Plus
- 5.10Lone Wolves
- 5.11Co-things
- 5.12Bi-things
- 5.13Summary
6.Scalaz Data Types
- 6.1Type Variance
- 6.2Evaluation
- 6.3Memoisation
- 6.4Tagging
- 6.5Natural Transformations
- 6.6
Isomorphism - 6.7Containers
- 6.8Collections
- 6.9Summary
7.Advanced Monads
- 7.1Always in motion is the
Future - 7.2Effects and Side Effects
- 7.3Stack Safety
- 7.4Monad Transformer Library
- 7.5A Free Lunch
- 7.6
Parallel - 7.7
IO - 7.8Summary
8.Typeclass Derivation
- 8.1Running Examples
- 8.2
scalaz-deriving - 8.3Magnolia
- 8.4Shapeless
- 8.5Performance
- 8.6Summary
9.Wiring up the Application
- 9.1Overview
- 9.2
Main - 9.3Blaze
- 9.4Thank You
Typeclass Cheatsheet
Haskell
- Data
- Functions
- Typeclasses
- Records of Functions
- Modules
- Evaluation
- Next Steps
Third Party Licenses
- Scala License
- Scalaz License
Causes
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We envision a world that honors and values cultural and biological diversity and the critical contribution of tropical rainforests to our planet's life support system. We believe that indigenous self-determination is paramount, and see that indigenous knowledge, cultures and traditional practices contribute greatly to sustainable and equitable stewardship of the Earth. We strive for a world in which governments, corporations and civil society respect the collective rights of indigenous peoples to free, prior and informed consent over any activity affecting their territories and resources. We commit, in the spirit of partnership and mutual respect, to support our indigenous allies in their efforts to protect life, land, and culture in accordance with their aspirations and needs.
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