Foundations of Clojure
Foundations of Clojure
About the Book
This book is for programmers who want to learn the foundational concepts of Clojure and functional programming. Topics include:
- Functions and threading expressions.
- Lists, sequences, vectors, zipmap and merge
- Scoping.
- Destructuring.
- Control structures and their composition.
- State: atoms, swap!, reset!, refs and dosync.
- Macros and meta-programming.
- Namespaces.
- Polymorphism, Multimethods and Protocols.
Table of Contents
- Chapter 1. Functions
- Calling Functions
- Higher Order Functions and Function Composition
- Creating Functions
- Anonymous Functions
- Multi-arity Functions
- Chapter 2. Data types and structures
- Data types overview
- Lists
- Lazy sequences
- Vectors
- Sets
- Maps
- Building with zipmap and merge
- Exercises
- Collection and Sequence abstractions
- Chapter 3. Scope
- Scope, symbols, values
- Vars
- Dynamic Scope
- Chapter 4. Destructuring
- Sequential destructuring
- Exercises
- Associative destructuring
- Destructuring nested structures
- Destructuring parameters; keyword arguments
- Chapter 5. Control structures
- Conditions: if, when
- Conditions: case, cond
- List comprehension: for
- Equality, truthy, falsy, nil
- Chapter 6. Shared state
- Atoms
- Deeper swap! and reset!
- Refs and dosync
- Exercises
- Further reading
- Chapter 7. Macros
- Quoting
- Unquoting
- Creating macros
- Chapter 8. Namespaces
- Namespaces, interns
- Require
- Require and refer
- Chapter 9. Polymorphism, Multimethods and Protocols
- What is Polymorphism
- Multimethods
- Multimethods with maps
- The Expression Problem
- Protocols
- New types with deftype
- defrecord
- Chapter 10. Conclusions
- What is next
- Chapter 1. Functions
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