From: Farrel Lifson <farrel.lifson@...>
Date: 2008-10-03T21:25:36+09:00
Subject: Re: Iterate over array and add numbers of each object

2008/10/3 Joshua Muheim <forum@josh.ch>:
> Hi all
>
> number = 0;
> objects.each do |o|
>  number += o.some_number
> end
> return number

This is what inject is for.

number = objects.inject(0) do |sum,o|
  sum += o.some_number
end

Farrel
-- 
Aimred - Ruby Development and Consulting
http://www.aimred.com