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ReactiveCocoa Book

Streams of values over time.

Eimantas Vaičiūnas

Functional programming has gained a lot of momentum in recent years among Cocoa developers as a nice way of removing a dependency on the global state. Using concepts of functional programming, its reactive form has given a lot of benefits to application developers to properly connect different parts of the application.

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About

About

About the Book

This book will teach you about ReactiveSwift & ReactiveCocoa - frameworks that bring functional reactive programming to Cocoa and Cocoa Touch worlds. And, with Swift becoming open-source - to the Linux world too!

Learn about main concepts of the frameworks, how and when to use signals, signal producers, actions or properties. How to create your own signal operators and how to bring non-reactive objects into FRP world!

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Functional ProgrammingSwift

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Author

About the Author

Eimantas Vaičiūnas

Eimantas Vaičiūnas has been using ReactiveCocoa since its early 2.x days. It has helped him immensely in refactoring legacy code-bases dependent on global state, mutating objects in multiple threads and other anti-patterns by giving clean and clear structure to the application and its data flow.

Contents

Table of Contents

Dear reader,

What is this book about?

Who is this book for?

Gentle introduction to FP, FRP and generics

  1. Building blocks of functional programming

Overview

  1. ReactiveSwift
  2. ReactiveCocoa
  3. Objective-C frameworks

Signals

  1. Events
  2. Observers
  3. Pipes
  4. Side effects
  5. Signals are hot!
  6. Dipping toes in ReactiveSwift & ReactiveCocoa
  7. Conclusion

Signal Producers

  1. Returning values
  2. Pulling values from the produced signals
  3. Multicasting
  4. Conclusion

Operators

  1. Flattening operators & strategies
  2. Creating operators
  3. Lifting
  4. Conclusion

Properties

  1. Read-only Property<T>
  2. MutableProperty
  3. Validating Property
  4. Conclusion

Actions

  1. Action’s usage scenario
  2. Creating an action
  3. Hooking action up to a user interface
  4. Applying actions
  5. Restricting an action to be run
  6. Conclusions

Bindings

  1. Of sources and targets
  2. Reverse twiddle wakka4
  3. Using existing targets in ReactiveCocoa
  4. Revisiting actions

Making things reactive

  1. Reactivity in UIKit and AppKit
  2. Adding reactive methods

Toolbox

  1. Event logging

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