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From: wojtek@power.com.pl (Wojtek Narczynski)
Newsgroups: comp.lang.ada
Subject: Re: In-Out Parameters for functions
Date: 28 Jan 2004 02:30:15 -0800
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Robert A Duff <bobduff@shell01.TheWorld.com> wrote in message news:<wccfze1z4mm.fsf@shell01.TheWorld.com>...
> Peter Amey <peter.amey@praxis-cs.co.uk> writes:
> 
> >... SPARK functions never have side effects, ...
> 
> SPARK is consistent.  No side effects involving globals, no side effects
> involving parameters.  No side effects.  Simple.

But would you embark on writing, for example, a high performance email
server in SPARK?

> Ada is inconsistent -- as Robert Dewar says, side effects are allowed,
> so long as you don't document them on the function spec.

Looks to me like the ARG is far from agreement on this subject :-)

Regards,
Wojtek