From: Michael Lucas-Smith <s3225202@...>
Date: 2001-12-31T15:43:26+09:00
Subject: [ruby-talk:29818] Re: Proc.class vs yield

>
>
>
>How about ... ?
>
>  def children_of(name, people)
>    if person = people.detect { |who| who.name == name }
>      person.children
>    else
>      Array.new
>    end
>  end
>

There's another branch in this thread where I went through that example 
(well, pretty close to it) in the context of one, two and three block 
patterns.

Michael