From: Sebastian Hungerecker <sepp2k@...>
Date: 2008-06-12T16:15:37+09:00
Subject: Re: Array inject function problem

Rick DeNatale wrote:
> [1,3,5].inject([]) {|s,e| s = s.to_a; s << e + ( s.last || 0)}

If you're okay with 0 being inside the result array you can also do:
[1,3,5].inject([0]) {|s, e| s << s.last + e}

HTH,
Sebastian
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