A modern programming language that makes developers happier.

kotlinlang

error_kotlin-koans_compound-tasks.png

The "compound tasks" in Kotlin Koans is broken: <https://try.kotlinlang.org/#/Kotlin%20Koans/Collections/Compound%20tasks/Task.kt>
The test data uses old syntax which isn't valid anymore when using a Kotlin version >= 1.3.61.

error-missing-person-class.png

In chapter 6.1 a `Person` class is missing:

error-missing-collection-utils.png

In chapter 6.3 `CollectionUtils` is missing:

error-invalid-reflection-syntax.png

In chapter 10.2 uses invalid syntax which is reported as an error when using Kotlin version >= 1.2.71:

expected-order-of-versions.png

Shouldn't the latest kotlin version mentioned last?