Learning RxJava - Second Edition

Summary

In this chapter, we covered how to use RxJava for Kotlin. The Kotlin language is an exciting opportunity to express code on the JVM more pragmatically, and RxJava can leverage many of its useful features. Extension functions, data classes, RxKotlin, and functional operators such as let()/apply() allow you to express your reactive domain more easily. Although SAM inference can cause you to hit snags, you can leverage RxKotlin's helper utilities to get around this issue until JetBrains creates a fix. Down the road, it will be interesting to see whether a ReactiveX implementation in pure Kotlin appears. Such an implementation would bring in a lot of functionality that Kotlin allows and Java does not.

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