Scala on iOS using Avian

There is a relatively-new lightweight JVM called Avian that can produce executables for iOS targets.

There isn't too much documentation on the website (and not much can be found searching with Google). I was wondering if anybody was aware of a step-by-step tutorial on how to get a basic Scala program running on iOS, using Avian.

Another alternative JVM to iOS compiler is RoboVM. Although it is at an early stage, it looks quite promising, with examples on how to compile Scala for iOS.

EDIT This was an old answer, valid at that time, but, as @JamesMoore points out, RoboVM is no more. What looks very promising now, and may well be the way to run Scala code in iOS in the near future is Scala Native

Compiled Scala sources are completely standard class files. You should be able to follow the instructions (look for “Embedding”) on the website without large changes, just treat scala-library.jar as a dependency of your code.

I managed to bootstrap the complete compiler and the standard library running on Avian a few days ago.

Some parts might still be a bit rough around the edges, e. g. there is one mandatory fix which will be part of the next release of Scala (2.10.1) but is not in 2.10.0. If you want to play with it right now, you need to use a nightly build until 2.10.1 is released.

If you encounter any additional issues, please report them!