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From: clines@delete_this.airmail.net (Kevin Cline)
Subject: Re: circular unit dependency
Date: 1997/06/01
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"John G. Volan" <johnvolan@sprintmail.com> wrote:

>Woops, here we go again!  :-)
>
>Kevin Cline wrote:
>> 
>> Put them both in the same package, since neither is useful without the other.
>
>Au contraire, mon frere! Class1 may be useful in contexts 1, 2, 3 and 4;
>class2 in contexts 3, 4, 5 and 6.  If I am writing client code in
>context 1 or 2, why should I care a whit about Class2?  

It doesn't matter which ones you "care" about.  To use either, you have to
link both package bodies.  The package interface and package body are two
separate aspects of a single software component.  Circular dependencies
between components should be avoided.