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Foundations of Clojure

Foundations of Clojure
This book is 100% completeLast updated on 2026-09-26
Rakhim Davletkaliyev

Explore the essence of Clojure. Learn about higher order functions, composition, immutable data structures, macros, iteration, abstractions and other fundamental aspects of Clojure, LISP and functional programming.

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About

About the Book

This book is for programmers who want to learn the foundational concepts of Clojure and functional programming. Topics include:

  1. Functions and threading expressions.
  2. Lists, sequences, vectors, zipmap and merge
  3. Scoping.
  4. Destructuring.
  5. Control structures and their composition.
  6. State: atoms, swap!, reset!, refs and dosync.
  7. Macros and meta-programming.
  8. Namespaces.
  9. Polymorphism, Multimethods and Protocols.

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ClojureFunctional Programming

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Author

About the Author

Rakhim Davletkaliyev

Staff Software Engineer at IQM Quantum Computers. Programming professionally since 2006. Building https://minifeed.net and https://exotext.com.

Homepage: https://rakhim.org

Contents

Table of Contents

Chapter 1. Functions

  1. Calling Functions
  2. Higher Order Functions and Function Composition
  3. Creating Functions
  4. Anonymous Functions
  5. Multi-arity Functions

Chapter 2. Data types and structures

  1. Data types overview
  2. Lists
  3. Lazy sequences
  4. Vectors
  5. Sets
  6. Maps
  7. Building with zipmap and merge
  8. Exercises
  9. Collection and Sequence abstractions

Chapter 3. Scope

  1. Scope, symbols, values
  2. Vars
  3. Dynamic Scope

Chapter 4. Destructuring

  1. Sequential destructuring
  2. Exercises
  3. Associative destructuring
  4. Destructuring nested structures
  5. Destructuring parameters; keyword arguments

Chapter 5. Control structures

  1. Conditions: if, when
  2. Conditions: case, cond
  3. List comprehension: for
  4. Equality, truthy, falsy, nil

Chapter 6. Shared state

  1. Atoms
  2. Deeper swap! and reset!
  3. Refs and dosync
  4. Exercises
  5. Further reading

Chapter 7. Macros

  1. Quoting
  2. Unquoting
  3. Creating macros

Chapter 8. Namespaces

  1. Namespaces, interns
  2. Require
  3. Require and refer

Chapter 9. Polymorphism, Multimethods and Protocols

  1. What is Polymorphism
  2. Multimethods
  3. Multimethods with maps
  4. The Expression Problem
  5. Protocols
  6. New types with deftype
  7. defrecord

Chapter 10. Conclusions

  1. What is next

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