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kornakiewicz
For anyone who used: how/where it is better/worse comparing to other "new" JVM languages (Scala, Clojure, Groovy)?
nskvortsov
Kotlin doc has short feature comparison with scala: http://kotlinlang.org/docs/reference/comparison-to-scala.htm...

In general, "If you are happy with Scala, you probably don't need Kotlin."

frowaway001
Which is kind of funny, because they are still playing catch-up with Scala.

(That's perfectly fine on its own, but doing the usual Scala-bashing at the same time as copying most of the language varbatim doesn't make the Kotlin team look any better.)

vorg
They've stated their decision not to copy certain features such as rampant operator overloading. Is this what you mean by "Scala-bashing"?
frowaway001
No. Scala has neither operator overloading nor any kind of rampant form of it.
vorg
In Scala you can define stuff like <*/+-> to mean anything you want. Are you perhaps arguing over my choice of words to describe this phenomena?
frowaway001
Yes. It's neither an operator nor are you overloading anything.

The whole point is that everything is just a bog-standard method and infix notation is a orthogonal notion, separate from a method's name.

vorg
Better to compare it to other "in use" JVM languages (Java, Scala, Clojure, Nashorn).