From: James Coglan <jcoglan@...>
Date: 2008-10-03T21:24:19+09:00
Subject: Re: Iterate over array and add numbers of each object

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> number = 0;
> objects.each do |o|
>  number += o.some_number
> end
> return number
>
> I guess there's a much more beautiful way for this, or isn't? Something
> like collect or so...



number = objects.inject(0) { |sum, obj| sum + obj.some_number }

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