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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: how to import a package
Date: Wed, 06 Dec 2006 09:18:27 +0000
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Date: 2006-12-06T09:18:27+00:00
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"markww" <markww@gmail.com> writes:

(it would be easier to comment on this if you didn't top-post! I've
re-organised ...)

> Adam Beneschan wrote:
>> P is a generic package so you have to instantiate it.  Something like:
>>
>>    package Person_List is new P (T => Person_Rec);
>>
>> Now, Node and Node_Ptr are visible within Person_List, and the "Data"
>> field in Person_List.Node will have type Person_Rec.

> Thanks for your help. Now I've instantiated a list of my ppl records.
> Right underneath the generic package definition I had:
>
>     Start  : Node_Ptr;
>     Last   : Node_Ptr;
>
> but Node_Ptr is not visible. Is it no longer possible to have those two
> variables declared like that?

Either say

    Start : Person_List.Node_Ptr;

(assuming Adam's instantiation) or 'use' the instantiation:

   package Person_List is new P (T => Person_Rec);
   use Person_List;

--S