From: Patrick Gundlach <clr10.10.randomuser@...>
Date: 2005-12-08T21:07:38+09:00
Subject: Re: increasing counter whithin loop?

Hi,


>> > able to use it. I'd probably have to create each_with_prev_and_next.
>
> It's allready there:

[...]

> require 'enumerator'
> ([nil] + a + [nil]).each_cons(3) do |prv, this, nxt|

....

That's interesting, thanks. 

Patrick