From: Victor Porton <porton@narod.ru>
Subject: Re: Trouble with "operation can be dispatching in only one type"
Date: Wed, 13 Aug 2014 22:44:06 +0300
Date: 2014-08-13T22:44:06+03:00 [thread overview]
Message-ID: <lsgf68$ivf$1@speranza.aioe.org> (raw)
In-Reply-To: lsgdvt$g4h$1@speranza.aioe.org
Victor Porton wrote:
> I defined two tagged types T1 and T2 in some package.
>
> I need a function in the same package:
>
> not overriding function F (Stack: T1) return T2;
>
> The compiler complaints:
>
> operation can be dispatching in only one type
>
> My current workaround is to define it instead as:
>
> not overriding function F (Stack: T1'Class) return T2;
>
> But this is a hack. Can I define this function in the right way? (I want
> it to be dispatching only in T1, not T2.)
package Bad is
type T1 is tagged null record;
type T2 is tagged null record;
not overriding function F (Stack: T1) return T2;
end Bad;
--
Victor Porton - http://portonvictor.org
next prev parent reply other threads:[~2014-08-13 19:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-13 19:23 Trouble with "operation can be dispatching in only one type" Victor Porton
2014-08-13 19:44 ` Victor Porton [this message]
2014-08-13 20:01 ` Niklas Holsti
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