The Happy Lambda
The Happy Lambda
Functional Programming in Ruby
About the Book
1. Publish early, publish often
- 1.1 Changelog
- 2.1 Evocation
3. Functional Programming
- 3.1 What vs how
- 3.2 Functions as first class citizens
- 3.3 Higher Order Functions
- 3.4 Lack of mutable state
- 3.5 Pure functions
- 3.6 Strict and Lazy Evaluation
- 3.7 Pros and Cons
4. Building blocks
- 4.1 Methods and Functions
- 4.2 Iterators, Enumerables and Enumerators
- 4.3 Lambdas / procs / blocks
- 4.4 Lazy enumerators (to be written)
- 5.1 Value Object
- 5.2 Function Object (to be written)
- 5.3 Functional Core, Imperative Shell (to be written)
- 5.4 Collections
6. Making Ruby More Functional
- 6.1 Block and Lambda Arguments
- 6.2 Converting to Proc
- 6.3 Dropping the Ampersands
- 6.4 Function Composition
7. Runtime support
- 7.1 Applicative vs Lazy evaluation (to be written)
- 7.2 Frozen (string) literals (to be written)
- 7.3 Tail recursion / tail call optimization (to be written)
- 7.4 Garbage Collection (to be written)
- 8. Glossary
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