From: Terry Michaels <cmhoward@...>
Date: 2011-04-18T14:59:30+09:00
Subject: Tail Call Optimization (Tail Recursion)

I did some googling to find out if Ruby supports tail call optimization,
as I wanted to write tail-recursive functions. All posts I found
indicated that 1.9 supports this, but it is not enabled by default.
However, all those posts were about two years old, so I'm wondering what
is the current situation: do I still need to upgrade to 1.9 to get that
capability? Or is there something in 1.8 I can enable?

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