Programming
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You're reading from  Soar with Haskell

Product typeBook
Published inDec 2023
Reading LevelBeginner
PublisherPackt
ISBN-139781805128458
Edition1st Edition
Languages
Haskell
Concepts
Programming Language
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Author (1)
Tom Schrijvers
Tom Schrijvers
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Tom Schrijvers

Tom Schrijvers is a professor of computer science at KU Leuven in Belgium since 2014, and previously from 2011 until 2014 at Ghent University in Belgium. He has over 20 years of research experience in programming languages and has co-authored more than 100 scientific papers. Much of his research focuses on functional programming and on the Haskell programming language in particular: he has made many contributions to the language, its ecosystem and applications, and chaired academic events like the Haskell Symposium. At the same time, he has more than a decade of teaching experience (including functional programming with Haskell) and received several teaching awards.
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Programming with primitive types

Haskell comes with several built-in primitive types that are used in most programs.

Int and Integer

We have already used the Int type of integers in several examples. It supports four common arithmetic infix operators:

  • (+) – addition
  • (-) – subtraction
  • (*) – multiplication
  • (^)– exponentiation

The (-) operator can also be used as a prefix operator to negate a number. Besides these operators, two useful arithmetic functions are as follows:

  1. div – integer division
  2. mod – modulo

A common beginner mistake is to use the (/) operator for Int, but it is only defined for floating-point types such as Float and Double.

The Int type only covers a finite range of integers. The Haskell language specification guarantees that this covers at least the integers in the range from -229 to (229-1), but the actual range can be implementation dependent. For example, in GHC 8.10.2...

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Soar with Haskell
Published in: Dec 2023Publisher: PacktISBN-13: 9781805128458
© 2023 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Tom Schrijvers

Tom Schrijvers is a professor of computer science at KU Leuven in Belgium since 2014, and previously from 2011 until 2014 at Ghent University in Belgium. He has over 20 years of research experience in programming languages and has co-authored more than 100 scientific papers. Much of his research focuses on functional programming and on the Haskell programming language in particular: he has made many contributions to the language, its ecosystem and applications, and chaired academic events like the Haskell Symposium. At the same time, he has more than a decade of teaching experience (including functional programming with Haskell) and received several teaching awards.
Read more about Tom Schrijvers

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