Celebrating Kotlin 2.0: Fast, Smart, and Multiplatform

blog.jetbrains.com

15 pointssnafu1093 comments

I am excited about the new language features that K2 is going to enable, like guards, generalized algebraic data types, union types for errors.

Union Types? That's got me excited too:

Alas "No union types in general, only for errors". Still a great milestone.

"Deep immutability" in active research