From: Florian Frank <flori@...>
Date: 2006-11-21T19:31:42+09:00
Subject: Re: array question

Li Chen schrieb:
> I want to build a new array from an old one with every element being 
> duplicated except the first and last element. And here are my codes. I 
> wonder if this is a real Ruby way to do it.
>   
c = a.size > 2 ? a[0, 1] + a[1..-2].inject([]) { |b,x| b << x << (x.dup 
rescue x) } + a[-1, 1] : a