I've just put together a quick Scala fatjar containing just Scala 2.11.5 and json4s (which has a fair few dependencies), and that came in at 27,369,865 bytes, s

I've just put together a quick Scala fatjar containing just Scala 2.11.5 and json4s (which has a fair few dependencies), and that came in at 27,369,865 bytes, so all looks promising for Scala lambdas!