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Download e-book for iPad: Haskell Design Patterns by Ryan Lemmer

By Ryan Lemmer

ISBN-10: 178398872X

ISBN-13: 9781783988723

Take your Haskell and sensible programming talents to the subsequent point via exploring new idioms and layout patterns

About This Book

  • Explore Haskell on the next point via idioms and patterns
  • Get an in-depth inspect the 3 strongholds of Haskell: higher-order capabilities, the kind approach, and Lazy evaluation
  • Expand your knowing of Haskell and practical programming, one line of executable code at a time

Who This publication Is For

If you are a Haskell programmer with an organization snatch of the fundamentals and able to movement extra deeply into smooth idiomatic Haskell programming, then this ebook is for you.

What you are going to Learn

  • Understand the connection among the “Gang of 4” OOP layout styles and Haskell
  • Try out 3 ways of Streaming I/O: relevant, Lazy, and Iteratee based
  • Explore the pervasive development of Composition: from functionality composition via to high-level composition with Lenses
  • Synthesize Functor, Applicative, Arrow and Monad in one conceptual framework
  • Follow the grand arc of Fold and Map on lists all of the technique to their end result in Lenses and typical Programming
  • Get a style of Type-level programming in Haskell and the way this pertains to dependently-typed programming
  • Retrace the evolution, one key language extension at a time, of the Haskell kind and sort systems
  • Place the weather of contemporary Haskell in a historic framework

In Detail

Design styles and idioms can widen our viewpoint by way of exhibiting us the place to appear, what to examine, and finally the way to see what we're . At their top, styles are a shorthand approach to speaking greater how one can code (writing much less, extra maintainable, and extra effective code).

This publication begins with Haskell ninety eight and during the lens of styles and idioms investigates the main advances and programming types that jointly make "modern Haskell". Your trip starts off with the 3 pillars of Haskell. Then you are going to adventure the matter with Lazy I/O, including an answer. you will additionally hint the hierarchy shaped through Functor, Applicative, Arrow, and Monad. subsequent you are going to discover how Fold and Map are generalized via Foldable and Traversable, which in flip is unified in a broader context by means of practical Lenses. you are going to delve extra deeply into the kind approach, so as to organize you for an outline of ordinary programming. In end you visit the sting of Haskell by means of investigating the type approach and the way this pertains to Dependently-typed programming.

Style and approach

Using brief items of executable code, this advisor progressively explores the large development panorama of recent Haskell. rules are awarded of their historic context and arrived at via intuitive derivations, continually with a spotlight at the difficulties they solve.

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