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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: Constructing an object
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Date: Fri, 23 Sep 2005 15:42:03 +0200
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Date: 2005-09-23T15:42:04+02:00
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On Fri, 23 Sep 2005 12:36:05 GMT, Matthew Heaney wrote:

> "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> writes:
> 
>> Replace it with:
>> 
>> type Shape (<>) is private;
> 
> Yes, but now the type is indefinite, which means you can't declare it as
> a component of a composite type.

You mean publicly:

type Foo is record
   X : Shape;
end record;

because privately it will be OK:

   type Foo is private;
private
   type Foo is record
      X : Shape;
   end record;

Which is quite logical in my view.

> The easiest thing is just to default initialize the component(s), and
> don't bother declaring the type as indefinite. If you still want to
> force some post-declaration initialization,

Yes, when possible.

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de