RxSwift

Using RxSwift in real life applications. How to start and what are the pros and cons.

Kristaps Grinbergs

February 08, 2018

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Transcript

RxSwift Introduction to reactive programming Kristaps Grinbergs @fassko
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Imperative programming • Saved state • Order of execution •
Side effects
In computing, reactive programming is a programming paradigm oriented around
data flows and the propagation of change. Wikipedia
Reactive programming is programming with asynchronous data streams
Reactive programming • Asynchronous • No saved state • Functional
• Responsive
ReactiveX An API for asynchronous programming with observable streams. •
Microsoft (Rx.NET) - 2009 • Many languages • RxSwift - 2015
Rx components • Observable • Observers • Schedulers
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Observables Next Completed Error
Operators Filtering Transforming Combining
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RxMarbles
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UI bindings RxCocoa
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Rx extensions Almost for everything
+ Agile and reusable code Thread safety Eliminate state from
code Testing Well tested, with large community and extensions
- Steep learning curve Change previous practices Debugging Over-reactive
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