From: James Gray <james@...>
Date: 2008-03-26T23:42:16+09:00
Subject: Re: The inject function

On Mar 26, 2008, at 9:35 AM, Radosław Bułat wrote:

>> Second, I need to reverse an array using only the inject command. So,
>> something like above with the result [4,3,2,1]
>
> Use .reverse method. inject doesn't fit in.

I agree that reverse() is the correct tool for this job, but just to  
fully answer the question:

   >> [1, 2, 3, 4].inject([]) { |rev, item| [item] + rev }
   => [4, 3, 2, 1]

James Edward Gray II