Programming with Result: Combining and Composing Results

Writing actual business code using multiple functions that return Result, with a short note on railway oriented programming, monads, and sequencing. Converting other types into Result.

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THE CURRENT VERSION OF THIS ARTICLE IS PUBLISHED HERE.

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Tags: #FUNDAMENTAL CONCEPT

This article is part of the Kotlin Primer, an opinionated guide to the Kotlin language, which is indented to help facilitate Kotlin adoption inside Java-centric organizations. It was originally written as an organizational learning resource for Etnetera a.s. and I would like to express my sincere gratitude for their support.

It is recommended to read the Introduction before moving on. Check out the Table of Contents for all articles.

The functions introduced so far have covered three broad scenarios:

• Transforming code that throws exceptions to code that returns Result - done by runCatching and its receiver variant