List of Listings

Chapter 1. Clojure philosophy

Listing 1.1. A domain-specific language for embedding SQL queries in Clojure

Listing 1.2. Clojure’s polymorphic protocols

Listing 1.3. A simple chessboard representation in Clojure

Listing 1.4. Querying the squares of a chessboard

Listing 1.5. Using block-level encapsulation

Listing 1.6. Local encapsulation

Chapter 4. On scalars

Listing 4.1. Automatic promotion in Clojure

Listing 4.2. Illustrating the Patriot missile tragedy

Listing 4.3. Floating-point arithmetic isn’t associative or distributive.

Listing 4.4. Being rational preserves associativity and distributive natures.

Listing 4.5. Using a keyword as a function directive

Chapter 5. Composite data types

Listing 5.1. A function for finding the neighbors of a spot on a 2D matrix

Listing 5.2. First cut at our position function

Listing 5.3. An index function

Listing 5.4. Our final version of pos

Chapter 6. Being lazy and set in your ways

Listing 6.1. Short-circuiting if expression

Listing 6.2. Infinite sequences foster declarative solutions.

Listing 6.3. A lazy, tail-recursive quicksort implementation

Chapter 7. Functional programming

Listing 7.1. Named arguments in Clojure functions

Listing 7.2. Testing the slope function constraints

Listing 7.3. Menu constraints

Listing 7.4. A version of pow using mundane recursion

Listing 7.5. A version of pow using tail recursion, accumulator, and helper function

Listing 7.6. Using mutually recursive functions to implement a finite state machine