Ok, I'm almost convinced - at least I'll give Elixir a try after I finish with Joxa. Any tips for someone who would like to learn Elixir fast? Is the "Getting Started" on Elixir page OK or should I search somewhere else?
As for Scala and CoffeeScript... well, that's a tough one. On some level they are very similar, but the differences are huge. I'd say they both, and Elixir, are in the same class of things with CS being on the lower level than Scala and Elixir.
2) Yes, interoperability is there and, just like you can use Scala libraries from Java, you just need the Elixir runtime in your path.
3) My favorite is from the String.Unicode module: