From: Walle Wallen <walle.sthlm@...>
Date: 2010-03-29T19:39:13+09:00
Subject: Re: Easy task, Sum array element... Why doesn't it work?

Brian Candler wrote:
> Walle Wallen wrote:
>> Doesn't work.
>> (parameters[1]..parameters[-1]).inject {|result, element| result +
> 
> That's creating a new Range object: ("faq".."rtorrent")
> 
> What you want is an array slice:
> 
>    parameters[1..-1].inject ...

Thanks, it worked.

I did a small test in IRB, and it seems like my method should work. 
Strange.
a = ["a", "b", "c"]
=> ["a", "b", "c"]
>> (a[1]..a[-1]).inject {|result, element| entry + result}
=> "bc"
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