From: Steve Klabnik Date: 2011-04-19T02:39:46+09:00 Subject: Re: Tail Call Optimization (Tail Recursion) --e0cb4e6ff71969934804a134db05 Content-Type: text/plain; charset=ISO-8859-1 There's a flag that you can enable to turn it on. Also, http://timelessrepo.com/tailin-ruby --e0cb4e6ff71969934804a134db05--