From: Robert Klemme <shortcutter@...>
Date: 2013-03-14T22:30:58+09:00
Subject: Re: RubyExcel class. Useful?

On Thu, Mar 14, 2013 at 1:37 PM, Joel Pearson <lists@ruby-forum.com> wrote:
> Robert Klemme wrote in post #1101581:
>>> I've ended up with a circular reference and I'm not sure of the best way
>>> to proceed from here.
>>
>> It may be an indication that you got your design wrong.  Why did you
>> think you need the circular references in the first place?
>
> I need a Sheet to belong to a workbook, but also be able to be copied or
> moved from one workbook to another. I need to be able to find the sheet
> from the workbook,

OK, that sounds reasonable.

> and find the workbook from the sheet.

What functionality for?

> Originally I thought that would be some sort of inheritance chain, but I
> can't use inheritance because Sheet is not a type of Workbook.

This is certainly not a case for inheritance.

Cheers

robert

-- 
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/