- 1:Preface
- 1.1:Scala 3 & ZIO
- 1.2:Code Examples
- 1.3:Acknowledgements
- 2:Introduction
- 2.1:Types of Effects
- 2.2:Motivation
- 2.3:The Pursuit of Adaptability
- 2.4:What’s Stopping Us?
- 2.5:Managing Effects
- 2.6:Improving Your Life
- 3:Superpowers
- 3.1:Retry
- 3.2:Modifying Failure
- 3.3:Timeout
- 3.4:Fallback
- 3.5:Finalization
- 3.6:Timing
- 3.7:Filtering
- 3.8:Effects are the Sum of Their Parts
- 3.9:Deferred Execution
- 4:Initialization
- 4.1:Effects and Dependencies
- 4.2:Defining Dependencies
- 4.3:Effects as Dependencies
- 4.4:Providing Dependencies to Effects
- 4.5:Dependencies With Dependencies
- 4.6:Naming Dependencies
- 4.7:Sharing Dependencies
- 4.8:The Dependency Graph
- 4.9:Dependency Cleanup
- 4.10:Construction Failure
- 4.11:External Configuration
- 5:Testing
- 5.1:Basic ZIO Testing
- 5.2:Test Dependencies
- 5.3:Testing Built-Ins
- 6:Failure
- 6.1:Throwing Exceptions
- 6.2:The Functional Solution
- 6.3:Failure Types
- 6.4:Short-Circuiting
- 6.5:Handling Failures
- 6.6:Multiple Failure Types
- 6.7:Handling Thrown Exceptions
- 7:Composability
- 7.1:Composing with Effects
- 7.2:Future
- 7.3:Option
- 7.4:Either
- 7.5:AutoCloseable
- 7.6:Try
- 7.7:Exceptions
- 7.8:Slow Functions
- 7.9:Composing an Application
- 7.10:Effects are Values
- 8:Shared State
- 8.1:Unreliable State
- 8.2:Reliable State
- 8.3:Effects Are Not Allowed
- 8.4:Sneaking in Side Effects
- 8.5:Reliable Effects
- 9:Resilience
- 9.1:Caching
- 9.2:Rate Limits
- 9.3:Constraining Concurrent Requests
- 9.4:Circuit Breaking
- 9.5:Reducing Worst-Case Latency
- 9.6:Test Resilience
- 9.7:The Ecosystem of Effects
- 1:Preface
Effect Oriented Programming
A Paradigm for Creating Reliable, Adaptable, Testable Systems - Using Scala and ZIO
Have you wondered what makes functional programming such a big deal, but haven't been able to get through any of the explanations? We wrote this book for you.
Four years in the making!
Phone-friendly: the code listings are easily readable without phone gymnastics.
This is a small book—it took an enormous amount of effort to make it so!
Also available as a Print Book.
The authors are letting you choose the price you pay for this book!
Have you wondered what makes functional programming such a big deal, but haven't been able to get through any of the explanations? We wrote this book for you.
Four years in the making!
Phone-friendly: the code listings are easily readable without phone gymnastics.
This is a small book—it took an enormous amount of effort to make it so!
Also available as a Print Book.
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About
About the Book
Effects are the unpredictable elements in your programs.
Concerns like network communication or user interaction might seem easy, but they are devilishly difficult to get right. The pristine world of algorithms devolves into the gory reality of failures and inconsistency.
Traditionally, we've coped with Effects incompletely and often unwittingly. Programs have been difficult to build, adapt, and maintain.
Discover a groundbreaking approach to software development using Effect Systems to control the unpredictable elements in your systems. We focus on practical techniques you can apply immediately, making complex concepts accessible to all developers. You'll learn resilient system development in a straightforward, pragmatic way, using simplified code examples and clear explanatory prose.
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About the Authors
Bruce Eckel
Bruce Eckel is the author of the multi-award-winning Thinking in Java and Thinking in C++, and a number of other books on computer programming including Atomic Scala. He's given hundreds of presentations throughout the world and puts on alternative conferences and events like the www.WinterTechForum.com and developer retreats. He lives in Crested Butte, Colorado. Bruce has a BS in applied physics and an MS in computer engineering. His blog is at www.BruceEckel.com and his consulting, training and conference business is www.MindviewLLC.com.
Episode 192
An Interview with Bruce Eckel
Bill Frasure
Bill Frasure is a software engineer that has become enamored with static types, functional programming, and effect systems.
He has worked at Ziverge as a core member of the ZIO team, in addition to medical and financial software.
He loves to give presentations, lessons, and generally assist others in sharing all moments of learning.
James Ward
Professional software developer since 1997, with much of that time spent helping developers build software that doesn't suck. A Typed Pure Functional Programming zealot who often compromises on his ideals to just get stuff done. Currently a Developer Advocate for AWS. Blog: jamesward.com
Contents
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