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Functional Programming in C#, Second Edition
by Enrico BuonannoReal world examples and practical techniques for functional programming in C# without the jargon and theory.In Functional Programming in C#, Second Edition you will learn how to: Use higher-order functions to reduce duplication and do more with less code Use pure functions to write code that is easy to test and optimize Write pleasant APIs that accurately describe your program's behavior Use dedicated types to handle nullability, system errors, and validation rules predictably and elegantly Write composable code without the overhead of an IoC container Functional Programming in C# has helped thousands of developers apply functional thinking to C# code. Its practical examples and spot-on treatment of FP concepts makes it the perfect guide for proficient C# programmers. This second edition is fully revised to cover new functional-inspired features in the most recent releases of C#, including tuples, async streams, pattern matching, and records. Each chapter is packed with awesome perspectives and epiphany moments on how functional programming can change the way you code. Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications. About the technology Turbocharge your C# code. Good functional techniques will improve concurrency, state management, event handling, and maintainability of your software. This book gives you practical answers to why, how, and where to add functional programing into your C# coding practice. About the book Functional Programming in C#, Second Edition teaches functional thinking for real-world problems. It reviews the C# language features that allow you to program functionally and through many practical examples shows the power of function composition, data-driven programming, and immutable data structures. All code examples work with .NET 6 and C# 10. What's inside Higher-order functions reduce duplication and do more with less code Code based on pure functions is easy to test and optimize Write pleasant APIs that accurately describe your program&’s behavior Write a Web API in a functional style Monadic composition with LINQ About the reader For intermediate C# programmers. About the author Enrico Buonanno studied Computer Science at Columbia University and has over 15 years of experience as a developer, architect, and trainer. Table of Contents PART 1 GETTING STARTED 1 Introducing functional programming 2 Thinking in functions 3 Why function purity matters PART 2 CORE TECHNIQUES 4 Designing function signatures and types 5 Modeling the possible absence of data 6 Patterns in functional programming 7 Designing programs with function composition PART 3 FUNCTIONAL DESIGNS 8 Functional error handling 9 Structuring an application with functions 10 Working effectively with multi-argument functions 11 Representing state and change 12 A short introduction to functional data structures 13 Event sourcing: A functional approach to persistence PART 4 ADVANCED TECHNIQUES 14 Lazy computations, continuations, and the beauty of monadic composition 15 Stateful programs and stateful computations 16 Working with asynchronous computations 17 Traversable and stacked monads 18 Data streams and the Reactive Extensions 19 An introduction to message-passing concurrency
Functional Programming in Go: Apply functional techniques in Golang to improve the testability, readability, and security of your code
by Dylan MeeusLeverage core functional programming (FP) concepts to write more maintainable and testable code in GoPurchase of the print or Kindle book includes a free PDF eBookKey FeaturesLearn functional programming techniques at the architectural level and use them to solve real-world problemsUnderstand how to think about code functionallyLearn about the trade-offs of functional programming and object-oriented programming (OOP) in GoBook DescriptionWhile Go is a multi-paradigm language that gives you the option to choose whichever paradigm works best for the particular problem you aim to solve, it supports features that enable you to apply functional principles in your code. In this book, you'll learn about concepts central to the functional programming paradigm and how and when to apply functional programming techniques in Go.Starting with the basic concepts of functional programming, this Golang book will help you develop a deeper understanding of first-class functions. In the subsequent chapters, you'll gain a more comprehensive view of the techniques and methods used in functional languages, such as function currying, partial application, and higher-order functions. You'll then be able to apply functional design patterns for solving common programming challenges and explore how to apply concurrency mechanisms to functional programming.By the end of this book, you'll be ready to improve your code bases by applying functional programming techniques in Go to write cleaner, safer, and bug-free code.What you will learnGain a deeper understanding of functional programming through practical examplesBuild a solid foundation in core FP concepts and see how they apply to Go codeDiscover how FP can improve the testability of your code baseApply functional design patterns for problem solvingUnderstand when to choose and not choose FP conceptsDiscover the benefits of functional programming when dealing with concurrent codeWho this book is forIf you are a Go engineer with a background in traditionally object-oriented languages such as Java or C++ and want to broaden your knowledge of functional programming, this book is for you.
Functional Programming in Java: How functional techniques improve your Java programs
by Pierre-Yves SaumontSummaryFunctional Programming in Java teaches Java developers how to incorporate the most powerful benefits of functional programming into new and existing Java code. You'll learn to think functionally about coding tasks in Java and use FP to make your applications easier to understand, optimize, maintain, and scale. Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.About the TechnologyHere's a bold statement: learn functional programming and you'll be a better Java developer. Fortunately, you don't have to master every aspect of FP to get a big payoff. If you take in a few core principles, you'll see an immediate boost in the scalability, readability, and maintainability of your code. And did we mention that you'll have fewer bugs? Let's get started!About the BookFunctional Programming in Java teaches you how to incorporate the powerful benefits of functional programming into new and existing Java code. This book uses easy-to-grasp examples, exercises, and illustrations to teach core FP principles such as referential transparency, immutability, persistence, and laziness. Along the way, you'll discover which of the new functionally inspired features of Java 8 will help you most.What's InsideWriting code that's easier to read and reason aboutSafer concurrent and parallel programmingHandling errors without exceptionsJava 8 features like lambdas, method references, and functional interfacesAbout the ReaderWritten for Java developers with no previous FP experience.About the AuthorPierre-Yves Saumont is a seasoned Java developer with three decades of experience designing and building enterprise software. He is an R&D engineer at Alcatel-Lucent Submarine Networks.Table of ContentsWhat is functional programming? Using functions in Java Making Java more functional Recursion, corecursion, and memoization Data handling with lists Dealing with optional data Handling errors and exceptions Advanced list handling Working with laziness More data handling with trees Solving real problems with advanced trees Handling state mutation in a functional wayFunctional input/output Sharing mutable state with actors Solving common problems functionally
Functional Programming in Java: Harnessing the Power Of Java 8 Lambda Expressions
by Venkat SubramaniamIntermediate level, for programmers fairly familiar with Java, but new to the functional style of programming and lambda expressions.Get ready to program in a whole new way. Functional Programming in Java will help you quickly get on top of the new, essential Java 8 language features and the functional style that will change and improve your code. This short, targeted book will help you make the paradigm shift from the old imperative way to a less error-prone, more elegant, and concise coding style that's also a breeze to parallelize. You'll explore the syntax and semantics of lambda expressions, method and constructor references, and functional interfaces. You'll design and write applications better using the new standards in Java 8 and the JDK. Lambda expressions are lightweight, highly concise anonymous methods backed by functional interfaces in Java 8. You can use them to leap forward into a whole new world of programming in Java. With functional programming capabilities, which have been around for decades in other languages, you can now write elegant, concise, less error-prone code using standard Java. This book will guide you though the paradigm change, offer the essential details about the new features, and show you how to transition from your old way of coding to an improved style.In this book you'll see popular design patterns, such as decorator, builder, and strategy, come to life to solve common design problems, but with little ceremony and effort. With these new capabilities in hand, Functional Programming in Java will help you pick up techniques to implement designs that were beyond easy reach in earlier versions of Java. You'll see how you can reap the benefits of tail call optimization, memoization, and effortless parallelization techniques.Java 8 will change the way you write applications. If you're eager to take advantage of the new features in the language, this is the book for you.What you need:Java 8 with support for lambda expressions and the JDK is required to make use of the concepts and the examples in this book.
Functional Programming in Java
by Venkat SubramaniamImagine writing Java code that reads like the problem statement, code that's highly expressive, concise, easy to read and modify, and has reduced complexity. With the functional programming capabilities in Java, that's not a fantasy. This book will guide you from the familiar imperative style through the practical aspects of functional programming, using plenty of examples. Apply the techniques you learn to turn highly complex imperative code into elegant and easy-to-understand functional-style code. Updated to the latest version of Java, this edition has four new chapters on error handling, refactoring to functional style, transforming data, and idioms of functional programming. Don't struggle with the limitations of the imperative style; instead learn to combine object-oriented programming with the functional style to reduce the accidental complexity. Harness the functional programming capabilities of Java to create applications where the program reveals its intentions and your team can quickly understand and modify code to align with changing business requirements. Unlock the power of lambda expressions and the Streams API to turn the oft-written spaghetti code into highly concise, expressive, elegant, and maintainable code. See how Streams make the arduous task of parallelizing code as easy as flipping a switch when superior speed is necessary. Apply design patterns built around lambda expressions, safely manage resource allocations, use memoization, and learn to transform data into different forms, all while honoring immutability, and providing thread safety to leverage lazy evaluation for efficiency and parallel execution for performance. Move beyond the basics, explore the idioms for writing functional programs. Learn to think functionally by refactoring legacy code into the functional style. And, if your code runs aground due to failures, learn to properly handle errors the functional way.Don't drown in theory; instead learn the practical functional programming techniques to create superior Java code.What You Need:Java version 8 or newer.
Functional Programming in JavaScript: How to improve your JavaScript programs using functional techniques
by Luis AtencioSummaryFunctional Programming in JavaScript teaches JavaScript developers functional techniques that will improve extensibility, modularity, reusability, testability, and performance. Through concrete examples and jargon-free explanations, this book teaches you how to apply functional programming to real-life development tasksPurchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.About the TechnologyIn complex web applications, the low-level details of your JavaScript code can obscure the workings of the system as a whole. As a coding style, functional programming (FP) promotes loosely coupled relationships among the components of your application, making the big picture easier to design, communicate, and maintain.About the BookFunctional Programming in JavaScript teaches you techniques to improve your web applications - their extensibility, modularity, reusability, and testability, as well as their performance. This easy-to-read book uses concrete examples and clear explanations to show you how to use functional programming in real life. If you're new to functional programming, you'll appreciate this guide's many insightful comparisons to imperative or object-oriented programming that help you understand functional design. By the end, you'll think about application design in a fresh new way, and you may even grow to appreciate monads!What's InsideHigh-value FP techniques for real-world usesUsing FP where it makes the most senseSeparating the logic of your system from implementation detailsFP-style error handling, testing, and debuggingAll code samples use JavaScript ES6 (ES 2015)About the ReaderWritten for developers with a solid grasp of JavaScript fundamentals and web application design.About the AuthorLuis Atencio is a software engineer and architect building enterprise applications in Java, PHP, and JavaScript.Table of ContentsPART 1 THINK FUNCTIONALLYBecoming functional Higher-order JavaScript PART 2 GET FUNCTIONALFew data structures, many operations Toward modular, reusable code Design patterns against complexityPART 3 ENHANCING YOUR FUNCTIONAL SKILLSBulletproofing your codeFunctional optimizations Managing asynchronous events and data
Functional Programming in JavaScript
by Dan MantylaIf you are a JavaScript developer interested in learning functional programming, looking for the quantum leap towards mastering the JavaScript language, or just want to become a better programmer in general, then this book is ideal for you. It is aimed at programmers involved in developing reactive frontend apps, server-side apps that wrangle with reliability and concurrency, and everything in between.
Functional Programming in JavaScript
by Dan Mantyla<P><P>Unlock the powers of functional programming hidden within JavaScript to build smarter, cleaner, and more reliable web apps <P><P>About This Book <P><P>Discover what functional programming is, why it's effective, and how it's used in JavaScript <P><P>Understand and optimize JavaScript's hidden potential as a true functional language <P><P>Explore the best coding practices for real-world applications <P><P>Who This Book Is For <P><P>If you are a JavaScript developer interested in learning functional programming, looking for the quantum leap towards mastering the JavaScript language, or just want to become a better programmer in general, then this book is ideal for you. It is aimed at programmers involved in developing reactive frontend apps, server-side apps that wrangle with reliability and concurrency, and everything in between. <P><P>What You Will Learn <P><P>Separate core logic from the program state to write more maintainable code <P><P>Replace ugly for loops with pure functions and recursion <P><P>Simplify code with method chains of pure, higher-order functions <P><P>Create more reliable code with closures and immutable data <P><P>Explore lazy evaluation strategies and what they can accomplish <P><P>Develop more powerful applications with currying and function composition <P><P>Use promises, functors, monads, and function factories <P><P>In Detail <P><P>This is a fast-paced guide that will help you to write real-world applications by utilizing a wide range of functional techniques and styles. <P><P>The book first explores the core concepts of functional programming common to all functional languages, with examples of their use in JavaScript. It's followed by a comprehensive roundup of functional programming libraries for JavaScript that minimizes the burden of digging deep into JavaScript to expose a set of tools that makes functional programming not just possible but highly convenient. The book then rounds off with an overview of methods to effectively use and mix functional programming with object-oriented programming.
Functional Programming in Kotlin
by Marco Vermeulen Rúnar Bjarnason Paul ChiusanoIn Functional Programming in Kotlin you will learn: Functional programming techniques for real-world applications Write combinator libraries Common structures and idioms in functional design Simplicity and modularity (and fewer bugs!) Functional Programming in Kotlin is a reworked version of the bestselling Functional Programming in Scala, with all code samples, instructions, and exercises translated into the powerful Kotlin language. In this authoritative guide, you&’ll take on the challenge of learning functional programming from first principles. Complex concepts are demonstrated through exercises that you&’ll love to test yourself against. You&’ll start writing Kotlin code that&’s easier to read, easier to reuse, better for concurrency, and less prone to bugs and errors. Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications. About the technology Improve performance, increase maintainability, and eliminate bugs! How? By programming the functional way. Kotlin provides strong support for functional programming, taking a pragmatic approach that integrates well with OO codebases. By applying the techniques you&’ll learn in this book, your code will be safer, less prone to errors, and much easier to read and reuse. About the book Functional Programming in Kotlin teaches you how to design and write Kotlin applications using typed functional programming. Offering clear examples, carefully-presented explanations, and extensive exercises, it moves from basic subjects like types and data structures to advanced topics such as stream processing. This book is based on the bestseller Functional Programming in Scala by Rúnar Bjarnason and Paul Chiusano. What's inside Functional programming techniques for real-world situations Common structures and idioms in functional design Simplicity, modularity, and fewer bugs! About the reader For Kotlin developers. No functional programming experience required. About the author Marco Vermeulen has two decades of programming experience on the JVM. Rúnar Bjarnason and Paul Chiusano are the authors of Functional Programming in Scala. Tabel of Contents PART 1 INTRODUCTION TO FUNCTIONAL PROGRAMMING 1 What is functional programming? 2 Getting started with functional programming in Kotlin 3 Functional data structures 4 Handling errors without exceptions 5 Strictness and laziness 6 Purely functional state PART 2 FUNCTIONAL DESIGN AND COMBINATOR LIBRARIES 7 Purely functional parallelism 8 Property-based testing 9 Parser combinators PART 3 COMMON STRUCTURES IN FUNCTIONAL DESIGN 10 Monoids 11 Monads and functors 12 Applicative and traversable functors PART 4 EFFECTS AND I/O 13 External effects and I/O 14 Local effects and mutable state 15 Stream processing and incremental I/O
Functional Programming in Python: Explore what functional programming is, how it is used, and the features of Python that support it
by Martin McBrideLearn functional programming concepts and techniques to build Python applications Key Features Study in detail all aspects of functional programming, including immutability, generators, and more Reinforce your learning through elaborate examples Learn how to implement advanced topics like closures, memoization, and monads in your applications Book Description Python supports four programming paradigms – imperative, procedural, object-oriented, and functional. Of these, functional programming is probably the least understood and the least used. This book covers several topics that are directly and indirectly related to functional programming. After a quick overview of functional programming and its characteristics, Functional Programming in Python explains the various concepts of Python, starting with functions. You'll learn how to change the value of an object by using mutability. You'll then look at recursion as a more functional alternative to looping for certain algorithms, and learn how memoization alleviates the limitations of recursion in certain situations. The book further explains how to use closures as function factories and how to handle errors and exceptions with functors and monads. By the end of this book, you'll have all the knowledge you need for developing your applications with functional programming in Python. What you will learn Understand the advantages and disadvantages of functional programming Use closures in your code to dynamically create functions Create your own iterators Use the general-purpose functools to create your own specialized reducing functions Study and implement list and generator comprehensions to create lists Create customized iterators with generators Who this book is for If you are a developer looking to create applications in Python using functional programming, this book is ideal for you. You will only need a basic knowledge of Python. Prior knowledge or experience of functional programming is not required.
Functional Programming in R 4: Advanced Statistical Programming for Data Science, Analysis, and Finance
by Thomas MailundMaster functions and discover how to write functional programs in R. In this book, updated for R 4, you'll learn to make your functions pure by avoiding side effects, write functions that manipulate other functions, and construct complex functions using simpler functions as building blocks.In Functional Programming in R 4, you’ll see how to replace loops, which can have side-effects, with recursive functions that can more easily avoid them. In addition, the book covers why you shouldn't use recursion when loops are more efficient and how you can get the best of both worlds.Functional programming is a style of programming, like object-oriented programming, but one that focuses on data transformations and calculations rather than objects and state. Where in object-oriented programming you model your programs by describing which states an object can be in and how methods will reveal or modify that state, in functional programming you model programs by describing how functions translate input data to output data. Functions themselves are considered to be data you can manipulate and much of the strength of functional programming comes from manipulating functions; that is, building more complex functions by combining simpler functions.What You'll LearnWrite functions in R 4, including infix operators and replacement functions Create higher order functionsPass functions to other functions and start using functions as data you can manipulateUse Filer, Map and Reduce functions to express the intent behind code clearly and safelyBuild new functions from existing functions without necessarily writing any new functions, using point-free programmingCreate functions that carry data along with themWho This Book Is ForThose with at least some experience with programming in R.
Functional Programming in Scala
by Paul Chiusano Runar BjarnasonSummaryFunctional Programming in Scala is a serious tutorial for programmers looking to learn FP and apply it to the everyday business of coding. The book guides readers from basic techniques to advanced topics in a logical, concise, and clear progression. In it, you'll find concrete examples and exercises that open up the world of functional programming.Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.About the TechnologyFunctional programming (FP) is a style of software development emphasizing functions that don't depend on program state. Functional code is easier to test and reuse, simpler to parallelize, and less prone to bugs than other code. Scala is an emerging JVM language that offers strong support for FP. Its familiar syntax and transparent interoperability with Java make Scala a great place to start learning FP. About the BookFunctional Programming in Scala is a serious tutorial for programmers looking to learn FP and apply it to their everyday work. The book guides readers from basic techniques to advanced topics in a logical, concise, and clear progression. In it, you'll find concrete examples and exercises that open up the world of functional programming.This book assumes no prior experience with functional programming. Some prior exposure to Scala or Java is helpful. What's InsideFunctional programming conceptsThe whys and hows of FPHow to write multicore programsExercises and checks for understandingAbout the AuthorsPaul Chiusano and Rúnar Bjarnason are recognized experts in functional programming with Scala and are core contributors to the Scalaz library.Table of ContentsPART 1 INTRODUCTION TO FUNCTIONAL PROGRAMMINGWhat is functional programming? Getting started with functional programming in ScalaFunctional data structuresHandling errors without exceptionsStrictness and lazinessPurely functional state PART 2 FUNCTIONAL DESIGN AND COMBINATOR LIBRARIESPurely functional parallelismProperty-based testingParser combinatorsPART 3 COMMON STRUCTURES IN FUNCTIONAL DESIGNMonoidsMonadsApplicative and traversable functorsPART 4 EFFECTS AND I/OExternal effects and I/OLocal effects and mutable stateStream processing and incremental I/O
Functional Programming in Scala, Second Edition
by Michael Pilquist Paul Chiusano Rúnar BjarnassonThis international bestseller has been revised with new exercises, annotations, and full coverage of Scala 3.In Functional Programming in Scala, Second Edition you will learn how to: Recognize and write purely functional code Work with errors without using exceptions Work with state and concurrency Interact with functional structures that define common behaviors Write code that performs I/O without sacrificing functional programming Functional Programming in Scala has helped over 30,000 developers discover the power of functional programming. You&’ll soon see why reviewers have called it &“mindblowing&”! The book smooths the complexity curve of functional programming, making it simple to understand the basics and intuitive to progress to more advanced topics. Concrete examples and exercises show you FP in the real world and reveal how it can improve your everyday coding practices. This second edition comes packed with the latest standards of FP, as well as full code updates to Scala 3, and its new language features. Foreword by Daniel Spiewak. About the Technology Functional code is easy to test, reuse, and parallelize, and it&’s practically immune to whole categories of state-related bugs. With its strong functional features, familiar syntax, and seamless interoperability with Java, there&’s no better place to start learning functional programming than the flexible Scala language. About the Book In Functional Programming with Scala, Second Edition you&’ll learn functional programming from first principles. Hands-on exercises and examples make it easy to start thinking and coding functionally. This revised edition contains extensive exercise annotations to help you explore FP in depth, along with steps to build your own functional libraries in Scala. Once the functional lightbulb goes on, you&’ll never look at coding the same way again. What&’s Inside Recognize and write purely functional code Work with errors without using exceptions Work with state and concurrency Interact with functional structures that define common behaviors About the Reader For Java or Scala programmers. No knowledge of functional programming required. About the Author Michael Pilquist is the lead maintainer of FS2, a functional streaming library, and contributes to the Typelevel ecosystem. Paul Chiusano and Rúnar Bjarnason are recognized experts in functional programming and authors of the first edition of Functional Programming with Scala. Table of Contents: PART 1 - INTRODUCTION TO FUNCTIONAL PROGRAMMING 1 What is functional programming? 2 Getting started with functional programming in Scala 3 Functional data structures 4 Handling errors without exceptions 5 Strictness and laziness 6 Purely functional state PART 2 - FUNCTIONAL DESIGN AND COMBINATOR LIBRARIES 7 Purely functional parallelism 8 Property-based testing 9 Parser combinators PART 3 - COMMON STRUCTURES IN FUNCTIONAL DESIGN 10 Monoids 11 Monads 12 Applicative and traversable functors PART 4 - EFFECTS AND I/O 13 External effects and I/O 14 Local effects and mutable state 15 Stream processing and incremental I/O
Functional Programming Using F#
by Michael R. Hansen Hans RischelThis comprehensive introduction to the principles of functional programming using F# shows how to apply basic theoretical concepts to produce succinct and elegant programs. It demonstrates the role of functional programming in a wide spectrum of applications including databases and systems. Coverage also includes advanced features in the . NET library, the imperative features of F# and topics such as text processing, sequences, computation expressions and asynchronous computation. With a broad spectrum of examples and exercises, the book is perfect for courses in functional programming and for self-study. Enhancing its use as a text is an accompanying website with downloadable programs, lecture slides, a mini-projects and links to further F# sources.
Functional Programming with C#
by Simon J. PainterAfter decades of relative obscurity, functional programming is finally coming into its own. With concise, easy-to-read code that supports asynchronous, concurrent processing, aspects of functional programming have begun to appear in several traditionally object-oriented languages such as C# and Java. This practical book shows C# programmers how to use functional programming features without having to navigate an entirely new language.Because of the shared runtime environment common to C# and F# languages, it's possible to use most of F#'s functional features in C# as well. Author Simon J. Painter explains how you can write functional code in C# right away, without having to install dependencies or features newer than .NET 3. You'll learn why functional programming concepts can bring immediate benefit to your work.Learn what functional programming is and how it originatedDiscover features of the functional paradigm using a more familiar languageStart coding functionally in C# right away, without relying on third-party librariesWrite code that's more robust, less error prone, and easier to testExamine less conventional ways to look at structures available in C#Explore the practicalities of using functional C# in a business environment
Functional Python Programming
by Steven LottThis book is for developers who want to use Python to write programs that lean heavily on functional programming design patterns. You should be comfortable with Python programming, but no knowledge of functional programming paradigms is needed.
Functional Python Programming
by Steven Lott<P><P>Key Features <P><P>Implement common functional programming design patterns and techniques in Python <P><P>Learn how to choose between imperative and functional approaches based on expressiveness, clarity, and performance <P><P>Apply functional Python to common Exploratory Data Analysis (EDA) programming problems <P><P>Book Description <P><P>Python’s easy-to-learn and extensible abilities offer a number of functional programming features for you to bring into your workflow, especially in the realm of data science. <P><P>If you’re a Python developer who wants to discover how to take the power of functional programming and bring it into your own programs then this book is essential for you, even if you know next to nothing about the paradigm. Starting with a general overview of functional concepts you’ll explore common functional features such as first-class and higher-order functions, pure functions and more, and how these are accomplished in Python to give you the core foundations you’ll build upon. After that, you’ll discover common functional optimizations for Python to help your apps reach even higher speeds. You'll also explore data preparation techniques and data exploration in depth, along with learning how the Python standard library fits the functional programming model. Finally, to top off your journey into the world of function Python you’ll at look at the PyMonad project and some larger examples to put everything into perspective. <P><P>With Functional Python Programming by your side you’ll understand the core concepts of function Python, its impact on the programming workflow, and how to implement it in Python, giving you the ability to take your applications to an even higher level. <P><P>What you will learn <P><P>Use Python's generator functions and generator expressions to work with collections in a non-strict (or lazy) manner <P><P>Utilize Python library modules including itertools, functools, multiprocessing, and concurrent.futures for efficient functional programs <P><P>Use Python strings with object-oriented suffix notation and prefix notation <P><P>Avoid stateful classes by making use of families of tuples <P><P>Design and implement decorators to create composite functions <P><P>Use functions like max(), min(), map(), filter(), and sorted() <P><P>Write advanced higher-order functions
Functional Python Programming: Discover the power of functional programming, generator functions, lazy evaluation, the built-in itertools library, and monads, 2nd Edition
by Steven F. LottCreate succinct and expressive implementations with functional programming in PythonKey Features Learn how to choose between imperative and functional approaches based on expressiveness, clarity, and performance Get familiar with complex concepts such as monads, concurrency, and immutability Apply functional Python to common Exploratory Data Analysis (EDA) programming problemsBook DescriptionIf you’re a Python developer who wants to discover how to take the power of functional programming (FP) and bring it into your own programs, then this book is essential for you, even if you know next to nothing about the paradigm. Starting with a general overview of functional concepts, you’ll explore common functional features such as first-class and higher-order functions, pure functions, and more. You’ll see how these are accomplished in Python 3.6 to give you the core foundations you’ll build upon. After that, you’ll discover common functional optimizations for Python to help your apps reach even higher speeds. You’ll learn FP concepts such as lazy evaluation using Python’s generator functions and expressions. Moving forward, you’ll learn to design and implement decorators to create composite functions. You'll also explore data preparation techniques and data exploration in depth, and see how the Python standard library fits the functional programming model. Finally, to top off your journey into the world of functional Python, you’ll at look at the PyMonad project and some larger examples to put everything into perspective. What you will learn Use Python's generator functions and generator expressions to work with collections in a non-strict (or lazy) manner Utilize Python library modules including itertools, functools, multiprocessing, and concurrent features to ensure efficient functional programs Use Python strings with object-oriented suffix notation and prefix notation Avoid stateful classes with families of tuples Design and implement decorators to create composite functions Use functions such as max(), min(), map(), filter(), and sorted() Write higher-order functionsWho this book is forThis book is for Python developers who would like to perform Functional programming with Python. Python Programming knowledge is assumed.
Functional Python Programming - Second Edition: Discover The Power Of Functional Programming, Generator Functions, Lazy Evaluation, The Built-in Itertools Library, And Monads, 2nd Edition
by Steven F. LottPython is an easy-to-learn and extensible programming language that offers a number of functional programming features. This practical guide demonstrates the Python implementation of a number of functional programming techniques and design patterns. Through this book, you’ll understand what functional programming is all about, its impact on the programming workflow, why it's important, and how to implement it in Python.
Functional Reactive Programming
by Stephen BlackheathSummaryFunctional Reactive Programming teaches the concepts and applications of FRP. It offers a careful walk-through of core FRP operations and introduces the concepts and techniques you'll need to use FRP in any language.Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.About the TechnologyToday's software is shifting to more asynchronous, event-based solutions. For decades, the Observer pattern has been the go-to event infrastructure, but it is known to be bug-prone. Functional reactive programming (FRP) replaces Observer, radically improving the quality of event-based code.About the BookFunctional Reactive Programming teaches you how FRP works and how to use it. You'll begin by gaining an understanding of what FRP is and why it's so powerful. Then, you'll work through greenfield and legacy code as you learn to apply FRP to practical use cases. You'll find examples in this book from many application domains using both Java and JavaScript. When you're finished, you'll be able to use the FRP approach in the systems you build and spend less time fixing problems. What's InsideThink differently about data and eventsFRP techniques for Java and JavaScriptEliminate Observer one listener at a timeExplore Sodium, RxJS, and Kefir.js FRP systemsAbout the ReaderReaders need intermediate Java or JavaScript skills. No experience with functional programming or FRP required.About the AuthorsStephen Blackheath and Anthony Jones are experienced software developers and the creators of the Sodium FRP library for multiple languages. Foreword by Heinrich Apfelmus. Illustrated by Duncan Hill.Table of ContentsStop listening! Core FRP Some everyday widget stuff Writing a real application New concepts FRP on the web Switch Operational primitives Continuous time Battle of the paradigms Programming in the real world Helpers and patterns Refactoring Adding FRP to existing projects Future directions
The Functional Role of Critical Dynamics in Neural Systems (Springer Series on Bio- and Neurosystems #11)
by Nergis Tomen J. Michael Herrmann Udo ErnstThis book offers a timely overview of theories and methods developed by an authoritative group of researchers to understand the link between criticality and brain functioning. Cortical information processing in particular and brain function in general rely heavily on the collective dynamics of neurons and networks distributed over many brain areas. A key concept for characterizing and understanding brain dynamics is the idea that networks operate near a critical state, which offers several potential benefits for computation and information processing. However, there is still a large gap between research on criticality and understanding brain function. For example, cortical networks are not homogeneous but highly structured, they are not in a state of spontaneous activation but strongly driven by changing external stimuli, and they process information with respect to behavioral goals. So far the questions relating to how critical dynamics may support computation in this complex setting, and whether they can outperform other information processing schemes remain open. Based on the workshop “Dynamical Network States, Criticality and Cortical Function", held in March 2017 at the Hanse Institute for Advanced Studies (HWK) in Delmenhorst, Germany, the book provides readers with extensive information on these topics, as well as tools and ideas to answer the above-mentioned questions. It is meant for physicists, computational and systems neuroscientists, and biologists.
Functional Safety and Proof of Compliance
by Thor Myklebust Tor StålhaneThis book aims to facilitate and improve development work related to all documents and information required by functional safety standards. Proof of Compliance (PoC) is important for the assessor and certification bodies when called up to confirm that the manufacturer has developed a software system according to the required safety standards. While PoC documents add functionality to the product neither for the developer nor for the customer, they do add confidence and trust to the product and ease certification, and as such are important for the product’s value. In spite of this added value, the documentation needed for PoC is often developed late in the project and in a haphazard manner. This book aims at developers, assessors, certification bodies, and purchasers of safety instrumented systems and informs the reader about the most important PoC documents. A typical PoC documentation encompasses 50 to 200 documents, several of which are named in the safety standards (e.g., 82 documents in IEC 61508:2010 series, 101 documents in EN 5012X series and 106 work products in ISO 26262:2018 series). These documents also include further references, typically one to twenty of them, and the total number of pages developed by the manufacturer varies between 2000 and 10000 pages. The book provides guidance and examples what to include in the relevant plans and documents.
Functional Safety for Embedded Systems
by Guoqi Xie Yawen Zhang Renfa Li Kenli Li Keqin LiThis book uses automotive embedded systems as an example to introduce functional safety assurance and safety-aware cost optimization. The book explores functional safety assurance from the perspectives of verification, enhancement, and validation. The functional safety assurance methods implement a safe and efficient assurance system that integrates safety verification, enhancement, and validation. The assurance methods offered in this book could provide a reasonable and scientific theoretical basis for the subsequent formulation of automotive functional safety standards. The safety-aware cost optimization methods divide cost types according to the essential differences of various costs in system design and establish reasonable models based on different costs. The cost optimization methods provided in this book could give appropriate cost optimization solutions for the cost-sensitive automotive industry, thereby achieving effective cost management and control. Functional safety assurance methods and safety-aware cost optimization support each other and jointly build the architecture of functional safety design methodologies for automotive embedded systems. The work aspires to provide a relevant reference for students, researchers, engineers, and professionals working in this area or those interested in hardware cost optimization and development cost optimization design methods based on ensuring functional safety in general.
Functional Software Size Measurement Methodology with Effort Estimation and Performance Indication
by Jasveer SinghPresents a new, effective methodology in software size measurement Software size measurement is an extremely important and highly specialized aspect of the software life cycle. It is used for determining the effort and cost estimations for project planning purposes of a software project’s execution, and/or for other costing, charging, and productivity analysis purposes. Many software projects exceed their allocated budget limits because the methodologies currently available lack accuracy. The new software size measurement methodology presented in this book offers a complete procedure that overcomes the deficiencies of the current methodologies, allowing businesses to estimate the size and required effort correctly for all their software projects developed in high level languages. The Functional Software Size Measurement Methodology with Effort Estimation and Performance Indication (FSSM) allows for projects to be completed within the defined budget limits by obtaining accurate estimations. The methodology provides comprehensive and precise measurements of the complete software whereby factual software size determination, development effort estimation, and performance indications are obtained. The approach is elaborate, effective and accurate for software size measurement and development effort estimation, avoiding inaccurate project planning of software projects. Key features: Pinpoints one of the major, originating root causes of erroneous planning by disclosing hidden errors made in software size measurement, and consequently in effort estimates and project planning All the major relevant and important aspects of software size measurement are taken into consideration and clearly presented to the reader Functional Software Size Measurement Methodology with Effort Estimation and Performance Indication is a vital reference for software professionals and Master level students in software engineering. For further information and materials relating to this book, such as FSSM 1.0 Calculations Template for Results Tables and Graphs, containing Calculations, and Results Tables/Graphs for the Mini FSSM Example, please visit the following two accompanying websites: http://booksupport.wiley.com www.fssm.software
Functional Thinking
by Neal FordIf you want to take advantage of functional programming features in Java and other languages, this in-depth guide takes you beyond syntax and demonstrates how you need to think in a new way. Software architect Neal Ford shows intermediate to advanced developers how functional coding allows you to step back a level of abstraction so you can see your programming problem with greater clarity.Each chapter shows you various examples of functional thinking, using numerous code examples from Java 8 and other JVM languages that include functional capabilities. This book may bend your mind, but you'll come away with a good grasp of functional programming concepts.Understand why many imperative languages are adding functional capabilitiesCompare functional and imperative solutions to common problemsExamine ways to cede control of routine chores to the runtimeLearn how memoization and laziness eliminate hand-crafted solutionsExplore functional approaches to design patterns and code reuseView real-world examples of functional thinking with Java 8, and in functional architectures and web frameworksLearn the pros and cons of living in a paradigmatically richer world