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Programming in Haskell by Graham Hutton

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chapter 2

First steps

In this chapter we take our first proper steps with Haskell. We start by introducing the Hugs system and the standard prelude, then explain the notation for function application, develop our first Haskell script, and conclude by discussing a number of syntactic conventions concerning scripts.

2.1 The Hugs system

As we saw in the previous chapter, small Haskell programs can be executed by hand. In practice, however, we usually require a system that can execute programs automatically. In this book we use an interactive system called Hugs, which is the most widely used implementation of Haskell.

The interactive nature of Hugs ...

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