ISSUE #195

26th of April 2020

Hello Kotliners. Last week of April, and looking forward to a better May. Here in Germany, the restrictions are softening this week - we hope that wherever you are, you stay healthy and fit. Enjoy our selection of links for the upcoming week.

Articles

Item: Consider aggregating elements to a map
Coming from one of the chapters of Effective Kotlin, one mini-article on Kotlin tips and tricks: when should we consider aggregating elements to a map.
blog.kotlin-academy.com

Coroutines and exceptions: things to know
This article goes through the basics of the Coroutines and their exceptions that we should know before working with them.
www.rockandnull.com

Deep recursion with coroutines
Kotlin Coroutines are typically used for asynchronous programming. However, the underlying design of coroutines and their implementation in Kotlin compiler are quite universal, solving problems beyond asynchronous programming. In his latest article, Roman Elizarov takes a look at how to use coroutines to write deeply recursive functions.
medium.com

The Either data type as an alternative to throwing exceptions
Not exclusively a Kotlin article, but here the author explores the use of Either as an alternative to throwing exceptions.
www.thoughtworks.com

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kotliners.com

Android

Writing Unit Tests efficiently in Android with Spek
Nice article by Rivu Chakraborty, where he showcases how should we add Spek tests to our Android app.
www.rivu.dev

Sealed classes + RecyclerView with headers
We have seen before articles where sealed classes can be useful - for instance, in errors. Patxi Bocos has written an article showcasing how they are particularly helpful when we are working with Recycler Views and headers.
medium.com

Libraries

Bazel rules for Detekt
In this Git repository, you will find Bazel rules that you can apply when you are working with Detekt.
github.com

Contribute

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If you want to submit an article for the next issue, please do also drop us an email.

Thanks to JetBrains for their support!

Kotlin Weekly - Kotlin Weekly #195

ISSUE #195

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Kotlin Weekly #194

Kotlin Weekly #193

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