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by bensummers 6003 days ago
I've had a look at Scala, but not so much as to actually start writing code. But it does look promising.

http://macstrac.blogspot.com/2009/04/scala-as-long-term-repl...

The thing which appeals about Duby is that it uses the underlying Java typesystem, and doesn't have a runtime library. If it ever gets finished, it can be as fast as any Java code, and there's been a lot of effort put into making Java code fast.