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From: "Stephen Cole" <s_k_cole@yahoo.com>
Newsgroups: comp.lang.ada
Subject: Re: Simple Question 3
Date: Fri, 12 Oct 2001 12:33:34 +0100
Organization: Defence Evaluation & Research Agency
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Date: 2001-10-12T12:33:34+01:00
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I would have thought that the compiler should just through the assignment X
:= Unit() out, because it does not statically match. I do not see why the
compiler has the right to demand you write a Unit() function for the derived
type. Is there a deeper reason why it does?

<tmoran@acm.org> wrote in message
news:pepx7.4767$gT6.3058598@news1.rdc1.sfba.home.com...
> >  function Unit return MyRcd;
> >
> >  type MyNewRcd is new MyRcd with
> >     record
> >        c: Integer;
> >     end record;
> >...
> >It wants me to define a version of Unit() for each derived type?! Why?
>   X : MyNewRcd;
> begin
>   X := Unit;
> question: what is the value of X.c?