From: "David A. Black" <dblack@...>
Date: 2009-02-10T21:53:32+09:00
Subject: Re: a better way to do this job?

Hi --

On Tue, 10 Feb 2009, 7stud -- wrote:

> In my opinion, it's nicer than the first version because it doesn't have
> to create a sub array in memory, like all the solutions posted so far
> do, which could be a problem with large arrays and large slices.

Ryan had something like:

   topics.first(5).each do |t|
     puts t.title
   end

which, I believe, does not create an intermediate array because
topics.first(5) returns an enumerator.


David

-- 
David A. Black / Ruby Power and Light, LLC
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