From: nobu.nokada@...
Date: 2003-12-04T11:58:53+09:00
Subject: Re: each_with_what_index?

Hi,

At Thu, 4 Dec 2003 10:42:07 +0900,
Mark J. Reed wrote:
> You can fix that like this:
> 
>    module Enumerable
>      def each_with_index(range=(0...size))
> 	b, e, x = range.begin,range.end,range.exclude_end?
> 	if b < 0 || e < 0
> 	    b += size if b < 0
> 	    e += size if e < 0
> 	    range = Range.new(b,e,x)
> 	end
>        range.each {|i| yield at(i),i}
>      end
>    end

Fundamentally, these work only with Array, not Enumerable.

-- 
Nobu Nakada