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From: "Matthew Heaney" <matthew_heaney@acm.org>
Subject: Re: question about functions
Date: 2000/01/22
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In article <un1q01s1n.fsf@gsfc.nasa.gov> , Stephen Leake 
<Stephen.Leake@gsfc.nasa.gov>  wrote:

> One alternate approach that is possible in Ada is to pass the result
> as an 'out' parameter :
>
> procedure f (A, B : in T; C : out T);
>
> now you can do C'Address.

C'Address is only defined if T is a by-reference type.

See RM95 13.3 (16).


--
Science is, foremost, a method of interrogating reality: proposing
hypotheses that seem true and then testing them -- trying, almost
perversely, to negate them, elevating only the handful that survive to
the status of a theory. Creationism is a doctrine, whose adherents are
interested only in seeking out data that support it.

George Johnson, NY Times, 15 Aug 1999