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From: jgk@panix.com (Joe keane)
Newsgroups: comp.lang.c++
Subject: Re: Why doesn't this multiple virtual inheritance code compile?
Date: Tue, 3 Jan 2012 14:12:55 +0000 (UTC)
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In article <785a07d6-7cf7-4249-a123-f7d7b4aaa8b3@l24g2000yqm.googlegroups.com>,
Chris Stankevitz  <chrisstankevitz@gmail.com> wrote:
> - Create an abstract base class "Shape" that must be an "Observer"
> - Create an class "Square" that is a "Shape" and also an "ObserverImp"

So a 'Shape' is an 'Observer', and a 'Square' is a type of 'Shape'.

Now you want something that is an 'ObserverImp' [and it is square].
Wouldn't it make more sense to call it a 'SquareImp'?