From: Joel Pearson <lists@...>
Date: 2013-03-14T19:04:22+09:00
Subject: Re: RubyExcel class. Useful?

Uh oh, I think I've backed myself into a corner...

I assume that I'll need some sort of "dup" method in order to easily 
differentiate between modifying an object in place and returning a copy. 
However, in my attempts to interlink all the elements, I think I've 
created a situation where I'll end up in a loop.

RubyExcel holds "child" Sheets
Sheet links to "parent" RubyExcel
I know they aren't really parent and child, but I wasn't sure of the 
best way to link them together.

In order to dup RubyExcel I need to dup each sheet.
In order to dup a Sheet I need to dup RubyExcel.

I've ended up with a circular reference and I'm not sure of the best way 
to proceed from here.

Also, is it sensible to have the namespaces stacked the way I've done 
it? Like RubyExcel::Sheet::Element.

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