How to implement Builder pattern in Kotlin?

Question

Hi I am a newbie in the Kotlin world. I like what I see so far and started to think to convert some of our libraries we use in our application from Java to Kotlin.

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Answer 1

I am late to the party. I also encountered the same dilemma if I had to use Builder pattern in the project. Later, after research I have realized it is absolutely unnecessary since Kotlin already provides the named arguments and default arguments.

If you really need to implement, Kirill Rakhman's answer is solid answer on how to implement in most effective way. Another thing you may find it useful is https://www.baeldung.com/kotlin-builder-pattern you can compare and contrast with Java and Kotlin on their implementation