From: Rick DeNatale <rick.denatale@...>
Date: 2007-04-30T10:43:52+09:00
Subject: Re: cyclic array

On 4/28/07, Xavier Noria <fxn@hashref.com> wrote:

>
> This is a possible approach:
>
>    module Enumerable
>      def each_cycle(window, start=0)
>        (start...length+start).each do |i|
>          yield((i..i+window).map {|n| self[n % length]})
>        end
>      end
>    end

This method won't work for Enumerables in general, although I guess it
does work for Arrays.

Not all enumerables have one or both length or [] methods.



-- 
Rick DeNatale

My blog on Ruby
http://talklikeaduck.denhaven2.com/