From: "Sebastian W." <swittenk@...>
Date: 2008-12-18T13:41:39+09:00
Subject: Re: Array problem

And just another note: generally, for transforming and/or iterating over 
arrays, finding/removing elements, extracting values, and so on, you'll 
want to take a look at Ruby's "Enumerable" module. It's available on all 
the main collections in Ruby and is extremely handy.

Particularly, the "each", "select", "map", "partition" and "reject" 
methods are very handy. I use "map" and "select" all the time.

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