Real World Haskell

By: Bryan O'Sullivan

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Paperback | 5 December 2008

At a Glance

Paperback
710 Pages

Dimensions(cm)
23 x 17.5 x 4

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This easy-to-use, fast-moving tutorial introduces you to functional programming with Haskell. You'll learn how to use Haskell in a variety of practical ways, from short scripts to large and demanding applications. "Real World Haskell" takes you through the basics of functional programming at a brisk pace, and then helps you increase your understanding of Haskell in real-world issues like I/O, performance, dealing with data, concurrency, and more as you move through each chapter.
With this book, you will: Understand the differences between procedural and functional programming Learn the features of Haskell, and how to use it to develop useful programs Interact with filesystems, databases, and network services Write solid code with automated tests, code coverage, and error handling Harness the power of multicore systems via concurrent and parallel programming

You'll find plenty of hands-on exercises, along with examples of real Haskell programs that you can modify, compile, and run. Whether or not you've used a functional language before, if you want to understand why Haskell is coming into its own as a practical language in so many major organizations, "Real World Haskell" is the best place to start.

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You Can Find This Book In

Non-Fiction Computing & I.T.Computer Programming & Software Development Programming & Scripting Languages O'Reilly Functional Programming Software Engineering Miscellaneous Items Booktopia Publisher Services John Wiley & Sons Publishers UK

Dedication
Preface
Have We Got a Deal for You!
What to Expect from This Book
What to Expect from Haskell
A Brief Sketch of Haskell's History
Helpful Resources
Conventions Used in This Book
Using Code Examples
Safari(r) Books Online
How to Contact Us
Acknowledgments
Getting Started
Your Haskell Environment
Getting Started with ghci, the Interpreter
Basic Interaction: Using ghci as a Calculator
Command-Line Editing in ghci
Lists
Strings and Characters
First Steps with Types
A Simple Program
Types and Functions
Why Care About Types?
Haskell's Type System
What to Expect from the Type System
Some Common Basic Types
Function Application
Useful Composite Data Types: Lists and Tuples
Functions over Lists and Tuples
Function Types and Purity
Haskell Source Files, and Writing Simple Functions
Understanding Evaluation by Example
Polymorphism in Haskell
The Type of a Function of More Than One Argument
Why the Fuss over Purity?
Conclusion
Defining Types, Streamlining Functions
Defining a New Data Type
Type Synonyms
Algebraic Data Types
Pattern Matching
Record Syntax
Parameterized Types
Recursive Types
Reporting Errors
Introducing Local Variables
The Offside Rule and Whitespace in an Expression
The case Expression
Common Beginner Mistakes with Patterns
Conditional Evaluation with Guards
Functional Programming
Thinking in Haskell
A Simple Command-Line Framework
Warming Up: Portably Splitting Lines of Text
Infix Functions
Working with Lists
How to Think About Loops
Anonymous (lambda) Functions
Partial Function Application and Currying
As-patterns
Code Reuse Through Composition
Tips for Writing Readable Code
Space Leaks and Strict Evaluation
Writing a Library: Working with JSON Data
A Whirlwind Tour of JSON
Representing JSON Data in Haskell
The Anatomy of a Haskell Module
Compiling Haskell Source
Generating a Haskell Program and Importing Modules
Printing JSON Data
Type Inference Is a Double-Edged Sword
A More General Look at Rendering
Developing Haskell Code Without Going Nuts
Pretty Printing a String
Arrays and Objects, and the Module Header
Table of Contents provided by Publisher. All Rights Reserved.

Real World Haskell

At a Glance

Paperback

Shipping

How to return your order

Defective items

You Can Find This Book In

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