Tesla Zhang‮

Can I use Kotlin? It's too hard to deal with Java collections in Scala codes.

[intellij-haskell.zip](https://github.com/rikvdkleij/intellij-haskell/files/2689411/intellij-haskell.zip)

> Well, I prefer Scala but I have no problem with Kotlin itself. I do not know how to integrate with sbt build and IntelliJ scala project. No need to...

> And sbt compile/build? Not sure, have 0 knowledge about this

Yes, will try later. But you may try the .zip I've just uploaded, it's nice.

Did you try the language injection feature? It's great when you're working with regex or jsons

> Maybe it's already implemented in IntelliJ Scala plugin. They use YouTrack, we use GitHub. It's different.

@zjhmale Hey! Any thoughts right now?

I have to say with the current parser, extract method refactoring is almost impossible. I hope I'm wrong and I'm looking forward to see a nice implementation.

`PsiExpression` is Java specific