**Summary** *Get Programming with F#: A guide for .NET Developers* shows you how to upgrade your .NET development skills by adding a touch of functional programming in F#. In just 43 bite-sized chunks, you’ll learn how to use F# to tackle the most common .NET programming tasks.Examples use the familiar Visual Studio environment, so you’ll be instantly comfortable. Packed with enlightening examples, real-world use cases, and plenty of easy-to-digest code, this easy-to-follow tutorial will make you wonder why you didn’t pick up F# years ago! Forewords by Dustin Campbell of Microsoft and Tomas Petricek of fsharpWorks. Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications. **About the Technology** Your .NET applications need to be good for the long haul. F#’s unique blend of functional and imperative programming is perfect for writing code that performs flawlessly now and keeps running as your needs grow and change. It takes a little practice to master F#’s functional-first style, so you may as well get programming! **About the Book** *Get Programming with F#: A guide for .NET developers* teaches F# through 43 example-based lessons with built-in exercises so you can learn the only way that really works: by practicing. The book upgrades your .NET skills with a touch of functional programming in F#. You’ll pick up core FP principles and learn techniques for iron-clad reliability and crystal clarity. You’ll discover productivity techniques for coding F# in Visual Studio, functional design, and integrating functional and OO code. **What’s Inside** * Learn how to write bug-free programs * Turn tedious common tasks into quick and easy ones * Use minimal code to work with JSON, CSV, XML, and HTML data * Integrate F# with your existing C# and VB.NET applications * Create web-enabled applications **About the Reader** Written for intermediate C# and Visual Basic .NET developers. No experience with F# is assumed. **About the Author** Isaac Abraham is an experienced .NET developer and trainer. He’s an F# MVP for his contributions to the .NET community. **Table of Contents** Unit 1 – F# AND VISUAL STUDIO Lesson 1 – The Visual Studio experience Lesson 2 – Creating your first F# program Lesson 3 – The REPL-changing how we develop Unit 2 – HELLO F# Lesson 4 – Saying a little, doing a lot Lesson 5 – Trusting the compiler Lesson 6 – Working with immutable data Lesson 7 – Expressions and statements Lesson 8 Capstone 1 Unit 3 – TYPES AND FUNCTIONS Lesson 9 – Shaping data with tuples Lesson 10 – Shaping data with records Lesson 11 – Building composable functions Lesson 12 – Organizing code without classes Lesson 13 – Achieving code reuse in F# Lesson 14 – Capstone 2 Unit 4 – COLLECTIONS IN F# Lesson 15 – Working with collections in F# Lesson 16 – Useful collection functions Lesson 17 – Maps, dictionaries, and sets Lesson 18 – Folding your way to success Lesson 19 – Capstone 3 Unit 5 – THE PIT OF SUCCESS WITH THE F# TYPE SYSTEM Lesson 20 – Program flow in F# Lesson 21 – Modeling relationships in F# Lesson 22 – Fixing the billion-dollar mistake Lesson 23 – Business rules as code Lesson 24 – Capstone 4 Unit 6 – LIVING ON THE .NET PLATFORM Lesson 25 – Consuming C# from F# Lesson 26 – Working with NuGet packages Lesson 27 – Exposing F# types and functionsto C# Lesson 28 – Architecting hybrid language applications Lesson 29 – Capstone 5 Unit 7 – WORKING WITH DATA Lesson 30 – Introducing type providers Lesson 31 – Building schemas from live data Lesson 32 – Working with SQL Lesson 33 – Creating type provider-backed APIs Lesson 34 – Using type providers in the real world Lesson 35 – Capstone 6 Unit 8 – WEB PROGRAMMING Lesson 36 – Asynchronous workflows Lesson 37 – Exposing data over HTTP Lesson 38 – Consuming HTTP data Lesson 39 – Capstone 7 Unit 9 – UNIT TESTING Lesson 40 – Unit testing in F# Lesson 41 – Property-based testing in F# Lesson 42 – Web testing Lesson 43 – Capstone 8 Unit 10 – WHERE NEXT? Appendix A – The F# community Appendix B – F# in my organization Appendix C – Must-visit F# resources Appendix D – Must-have F# libraries Appendix E – Other F# language feature