From: "Jan E." <lists@...>
Date: 2012-09-04T17:29:37+09:00
Subject: Re: how to sum element of array

Hi,

In newer versions of Ruby (1.9) you can use

sum = a_array.reduce :+

See
http://ruby-doc.org/core-1.9.3/Enumerable.html#method-i-reduce

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