Functional Programming Patterns in Scala and Clojure

Pattern Template

The patterns are laid out using the following format, with some exceptions. For example, a pattern that doesn’t have any other common name would not have the Also Known As subsection, and the Functional Replacement subsections only apply to the patterns in Chapter 3, ​Replacing Object-Oriented Patterns​.

Intent

The Intent subsection provides a quick explanation of the intent of this pattern and the problem it solves.

Overview

Here is where you’ll find a deeper motivation for the pattern and an explanation of how it works.

Also Known As

This subsection lists other common names for the pattern.

Functional Replacement

Here you’ll find how to replace this pattern with functional programming techniques—sometimes object-oriented ...