From: Martin DeMello <martindemello@...>
Date: 2006-11-23T03:27:13+09:00
Subject: Re: array question

On 11/22/06, Daniel Schierbeck <daniel.schierbeck@gmail.com> wrote:
> On Wed, 2006-11-22 at 07:36 +0900, Pete Yandell wrote:
> > I'm surprised nobody has suggested:
> >
> >    a.zip(a).flatten[1..-2]
>
> I'm surprised nobody has suggested
>
>   require 'enumerator'
>
>   ary.enum_cons(2).entries.flatten

ary.enum_cons(2).inject([]) {|a, i| a+i}

martin