From: Steve Klabnik <steve@...>
Date: 2011-07-24T13:12:08+09:00
Subject: Re: best style for setting items in a collection

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Upto isn't bad, but id probably use inject: [1,2,3].inject ([]) {|arr, elem|
arr << arr.last + elem}

I typed this on my phone, so apologies if it's slightly off.

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