From: Kenneth McDonald <kenneth.m.mcdonald@...>
Date: 2008-09-10T09:37:04+09:00
Subject: Re: yield/block question

Perfect, just what I was looking for. Thanks,
Ken


On Sep 9, 2008, at 7:17 PM, Serabe wrote:

> What about this?
>
> class Array
>  def each_leaf(&block)
>    each do |x|
>      case x
>      when Array: x.each_leaf &block
>      else block.call x
>      end
>    end
>  end
> end
>
> arr = [[1,2], 3, [[4]]]
> result = 0
> arr.each_leaf{|n| result += n}
>
> puts result
>
> Kind regards,
>
> Serabe
>
> P.D. Sorry for no more explanation, but I'm really tired (2:23 am  
> right now).
>
> -- 
> http://www.serabe.com
>