Preface
This book is about patterns and functional programming in Scala and Clojure. It shows how to replace, or greatly simplify, many of the common patterns we use in object-oriented programming, and it introduces some patterns commonly used in the functional world.
Used together, these patterns let programmers solve problems faster and in a more concise, declarative style than with object-oriented programming alone. If you’re using Java and want to see how functional programming can help you work more efficiently, or if you’ve started using Scala and Clojure and can’t quite wrap your head around functional problem-solving, this is the book for you.
Before we dig in, I’d like to start off with a story. This story is true, though some names ...
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