CHAPTER 1

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Going Functional

Welcome to the world of Haskell! Before looking too deeply at the language itself, you will learn about what makes Haskell different from other languages and what benefits come with those differences. Haskell belongs to the family of functional languages, a broad set that includes ML, Lisp, Scala, and Clojure. If you have a background in imperative or object-oriented languages, such as C, C++, or Java, you will be introduced to the new ideas present in functional languages. If you already have experience with functional languages, you will see how other features in Haskell, such as lazy evaluation and type classes, ...

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