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From: v025@truman.edu (Chad R. Meiners)
Subject: Re: Controlled type question
Date: 1999/02/15
Message-ID: <36c765d4.0@silver.truman.edu>#1/1
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References: <36c743da.0@silver.truman.edu> <m3zp6g1cs7.fsf@mheaney.ni.net>
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Date: 1999-02-15T00:00:00+00:00
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In article <m3zp6g1cs7.fsf@mheaney.ni.net>, matthew_heaney@acm.org says...
>
>
>Yes, you hit upon a rule, the one that says 
>
>  Controlled type must be declared at the library level
>
>You have this:
>
>  package GP is
>    ...
>  private
>    type T is new <controlled type> ...;
>  end GP;
>
>
>That's fine, but the illegal thing is doing this:
>
>package Q is
>...
>   package P is new GP (...);
>
>end Q;
>
>The problem is that inside the scope of package Q, you're not at library
>level, and so the instantiation of GP is illegal.
>
>You can try fixing it like this:
>
>package Q is
>...
>end Q;
>
>private package Q.P is new GP (...);
>
>
>(I think that's it.  Let me know if I interpreted things incorrectly.)

Thank you.  I wrote a four line ads file to do this and it works great.

-Chad R. Meiners