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Date: Sat, 18 May 2019 04:35:16 -0700 (PDT)
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Subject: Re: constructor in abstract tagged types
From: Daniel <danielnorberto@gmail.com>
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Xref: reader01.eternal-september.org comp.lang.ada:56325
Date: 2019-05-18T04:35:16-07:00
List-Id: <comp.lang.ada>

El jueves, 9 de mayo de 2019, 16:40:28 (UTC+2), AdaMagica  escribi=C3=B3:
> Am Mittwoch, 8. Mai 2019 20:37:25 UTC+2 schrieb Daniel:
> Dmitry's solution is the way to do it.
>=20
> >   procedure F_forced_to_do_it is abstract;
>=20
> This is not a primitive operation of Fathers.
> Declaring it abstract makes it uncallable. So why define it at all.
>=20
> > package FATHERS.SONS is
> > procedure F_Forced_to_do_it;
>=20
> This is not inherited, so does not override the abstract operation defini=
ed in Fathers.
> It's also not a primitive operation.
>=20
> > end FATHERS.SONS;

I declare it as an obligated "interface". I want that any children that ext=
end father has to implement it.