From: Jason Roelofs <jameskilton@...>
Date: 2007-11-14T06:56:15+09:00
Subject: Re: recursion with blocks

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On Nov 13, 2007 4:49 PM, Mike Perham <mperham@gmail.com> wrote:

> I have a tree structure where I want to walk the structure and find a
> node based on a name.  I'm unclear how to use recursion with blocks such
> that I can return the correct node.  All code snippets I've seen have
> involved using "puts" to print out a node i.e. not returning anything to
> the top-level caller.  What's the idiomatic Ruby for doing this?  How do
> I return a value from a block called recursively?
> --
> Posted via http://www.ruby-forum.com/.
>
>
A Ruby block is no different from a regular method. The result of the last
line of the block is returned unless there's a manual "return" eariler in
the code.

Jason

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