From: Eryndlia Mavourneen <eryndlia@gmail.com>
Subject: Re: How can I declare a collection of an interface?
Date: Fri, 2 Aug 2013 09:53:05 -0700 (PDT)
Date: 2013-08-02T09:53:05-07:00 [thread overview]
Message-ID: <8a90e70f-8488-45da-81be-58da3e9ea381@googlegroups.com> (raw)
In-Reply-To: <e520357f-db43-4f61-a850-ee622aaf66f4@googlegroups.com>
On Friday, August 2, 2013 11:39:14 AM UTC-5, Graham Stark wrote:
> Hi,
> if I have (say):
>
> type Person is interface;
>
> and I want to declare a collection of Person, how can I declare the type I'd need? I've tried:
>
> type PA is array(1..2) of Person;
>
> or
>
> package PV is new Ada.Containers.Vectors( Positive, Person );
>
> and the same with 'Class.
>
> Graham
An "interface" type is an abstract type, so objects can not be declared using it. You need to declare a derived type:
type Human is new Person with ...;
type HA is array(1..2) of Human;
-- Eryndlia (KK1T)
next prev parent reply other threads:[~2013-08-02 16:53 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-02 16:39 How can I declare a collection of an interface? Graham Stark
2013-08-02 16:53 ` Eryndlia Mavourneen [this message]
2013-08-02 18:28 ` Adam Beneschan
2013-08-03 8:04 ` Graham Stark
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