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Key benefits

This book provides a path if you are coming from imperative and object-oriented paradigms

It will take you to an intermediate level of functional programming in very practical manner to write enterprise-quality idiomatic F# code

Tackle complex computing problems with simple code by fully embracing the functional-first F# paradigm

Packed full of practical coding examples to help you master F# programming and author optimal code

Description

Following design patterns is a well-known approach to writing better programs that captures and reuses high-level abstractions that are common in many applications. This book will encourage you to develop an idiomatic F# coding skillset by fully embracing the functional-first F# paradigm. It will also help you harness this powerful instrument to write succinct, bug-free, and cross-platform code. F# 4.0 Design Patterns will start off by helping you develop a functional way of thinking. We will show you how beneficial the functional-first paradigm is and how to use it to get the optimum results. The book will help you acquire the practical knowledge of the main functional design patterns, the relationship of which with the traditional Gang of Four set is not straightforward. We will take you through pattern matching, immutable data types, and sequences in F#. We will also uncover advanced functional patterns, look at polymorphic functions, typical data crunching techniques, adjusting code through augmentation, and generalization. Lastly, we will take a look at the advanced techniques to equip you with everything you need to write flawless code.

What you will learn

Acquire the practical knowledge to use the main functional design patterns

Realign some imperative and object-oriented principles under the functional approach

Develop your confidence in building and combining first-order and higher-order functions

Learn to use core language pattern matching effectively

Make use of native F# algebraic data types in place of custom-built classes

Recognize and measure the difference in resource consumption between sequences and materialized data collections

Navigate and use F# Core libraries with ease by seeing patterns behind specific library functions

Master writing generic polymorphic code

What do you get with Print?

Instant access to your digital eBook copy whilst your Print order is Shipped

Paperback book shipped to your preferred address

Download this book in EPUB and PDF formats

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Frequently bought together

Mastering F#

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F# 4.0 Design Patterns

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Fernando Saldanha Feb 16, 2017

Great book. Delivers what it promises. Not for beginners.F# allows the programmer to write standard OO programs. The reader of this book will get a better understanding of F# (an functional programming languages in general), which will facilitate transitioning to a programming style that fully exploits the capabilities of the F# language. The language features are neatly classified and the role of each category is explained.Chapter 12 also contains an excellent discussion of the SOLID principles of OO programming and their counterparts (or lack thereof, not for lack of implementation, but for lack of need) in FP.

Amazon Verified review

Richard Broida Dec 28, 2016

There are a lot of good F# books, but this is a great one to start with because it explains the concepts along with the syntax. You need the concepts both to use the language and to explain to your fellow programmers why they should use the language. There's a chapter on GOF-style patterns, but the book's scope is much more comprehensive that that.

Hugh W. Gleaves Aug 14, 2017

I had high expectations for this book, being someone fairly new to F# and the functional discipline.Sadly it disappointed me as offering nothing beyond what most other F# books cover. There was too much emphasis on imperative programming, no significant coverage of computation expressions, it was also pretty obvious that the author knew his subject bud had written in poorly in English, a greater editorial presence here would have helped. Frankly it was money wasted since there was nothing in the book that isn't easily found elsewhere.

Talmage Mar 24, 2017

Overall, the explanation of functional programming paradigms and techniques is solid. The biggest obstacle to adopting F# is not syntax or functions--which are the focuses of many books--but rather understanding how to think in new terms as a functional programmer. This book does a good job of teaching these techniques.My problem is that the proofreading is atrocious. First, the narrative sections have many grammatical issues and incorrect words (e.g. "seize" instead of "cease") which interrupt flow. Additionally, the spacing in the Kindle cloud version is often off, which can be a big problem in a language like F# in which whitespace matters.More glaring, however, is that the source code is incomplete. For example, in Chapter 6, the text states "Additional information for those of you who are eager to dig deeper is given in the Ch6_1.fsx script of this book's accompanying code, where the use of each of the library functions is illustrated by a brief code sample." In the first four sections (aggregation, generation, wrapping/type conversion, and appliers patterns), only a couple of functions are not illustrated. However for the final three sections (recombination, filter, and mapper patterns), NONE of the illustrations are present. NOT A SINGLE ONE of the 38 or so functions listed. Additionally, I wonder how complete and updated the list even is, considering the deprecated "Seq.nth" function is provided instead of the newer "Seq.item".In short, this book could have been really good, but it seems rushed and sloppy. If there were a good errata, I could make do. However, it is surprising to find that no errata yet exist on the book web page (at packthub.com). I'm considering returning the Kindle purchase for a refund. Hopefully a more polished version will emerge later.

F# 4.0 Design Patterns: Solve complex problems with functional thinking

What do you get with Print?