List of Listings

Chapter 1. Introduction to Clojure

Listing 1.1. A small program written in our fictitious XML-based language

Listing 1.2. A slightly less verbose version of the same program

Listing 1.3. Typical duplication in Java code

Listing 1.4. The same code in Clojure, written as is

Listing 1.5. Removing duplication via a domain-specific macro

Listing 1.6. Typical usage of higher-order functions

Listing 1.7. Clojure’s STM in action

Chapter 3. Building blocks of Clojure

Listing 3.1. Mutually recursive functions that can blow the stack

Listing 3.2. Mutually recursive functions that can be called with trampoline

Listing 3.3. Function composition using higher-order functions

Listing 3.4. Listing 3.4 Dynamic scope in action

Listing 3.5. A higher-order function for aspect-oriented logging

Listing 3.6. Using external libraries by calling use

Listing 3.7. Using external libraries by calling require

Chapter 4. Polymorphism with multimethods

Listing 4.1. Implementing the Redis protocol using multimethods

Chapter 5. Clojure and Java interop

Listing 5.1. An abstract Java class that will be used to illustrate gen-class

Listing 5.2. gen-class generates a Java class to reference AbstractJavaClass

Chapter 8. Test-driven development and more

Listing 8.1. Example code that fetches and filters expenses from a data store

Listing 8.2. Simple stubbing and mocking functionality for Clojure tests

Chapter 9. Data storage with Clojure

Listing 9.1. The init-model macro from clj-record.core