contents

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preface
acknowledgments
about this book

Part 1 Getting started

Chapter 1 Introduction to Clojure

What is Clojure?

Understanding Clojure syntax

The sources of Clojure’s power

Clojure—beyond object orientation

Summary

Chapter 2 A whirlwind tour

Getting started

Program structure

Program flow

Clojure data structures

Summary

Chapter 3 Building blocks of Clojure

Functions

Scope

Namespaces

Destructuring

Metadata

Summary

Chapter 4 Polymorphism with multimethods

Polymorphism

Method dispatch

Multimethods

Summary

Chapter 5 Clojure and Java interop

Calling Java from Clojure

Compiling Clojure code to Java byte code

Calling Clojure from Java

Summary

Chapter 6 State and the concurrent world

The problem with state

Identities and values

The Clojure way

Refs

Agents

Atoms

Vars

State and its unified access model

Watching for mutation

Futures and promises

Summary

Chapter 7 Evolving Clojure through macros

Macro basics

Macros from within Clojure

Writing your own macros

Summary

Part 2 Getting real

Chapter 8 Test-driven development and more

Getting started with TDD

Mocking and stubbing things

Organizing tests

Summary

Chapter 9 Data storage with Clojure

MySQL & clj-record

HBase

Redis

Summary

Chapter 10 Clojure and the web

An HTTP interface from scratch

Ring

Compojure

Generating HTML

Summary

Chapter 11 Scaling through messaging

Messaging systems

Clojure and RabbitMQ

Distributed parallel programming

Summary

Chapter 12 Data processing with Clojure

The map/reduce paradigm

Master/slave parallelization

Summary

Chapter 13 More on functional programming

Using higher-order functions

Partial application and currying

Closures

Summary

Chapter 14 Protocols, records, and types

The expression problem

Modus operandi

Protocols and data types

Summary

Chapter 15 More macros and DSLs

Macros

Domain-specific languages

Summary

          index