Yes, but IIRC it doesn't work for mutually recursive methods or dynamic(!) tail calls.
The limitations of @tailrec are obviously due to the JVM, but I was thinking (given your mention) that maybe Scala-Native had done away with the problem -- if you use the "Pascal" calling convention I believe it's mostly completely trivial to do TCO. (Just omit the "push/pop things onto/off stack" bit in the caller and use "goto".)
Weren't talking about that?
> @tailrec has existed since 2.8
Yes?
> I was thinking (given your mention) that maybe Scala-Native had done away with the problem
It uses fastcc, and yes it does. I don't understand the issue.