Operators as Extensions

How to define operators as extensions, and how it can save you from defining new types.

Gabriel Shanahan
The Kotlin Primer

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THE CURRENT VERSION OF THIS ARTICLE IS PUBLISHED HERE.

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Tags: #KOTLIN FEATURE

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.

Continuing on our tour of the interactions between extension functions and other Kotlin features — you can define operators as extension functions:

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