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From: =?iso-8859-15?Q?Yannick_Duch=EAne_=28Hibou57=29?=
 <yannick_duchene@yahoo.fr>
Newsgroups: comp.lang.ada
Subject: Re: GNAT packages in Linux distributions
Date: Thu, 27 May 2010 14:29:58 +0200
Organization: Ada At Home
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Date: 2010-05-27T14:29:58+02:00
List-Id: <comp.lang.ada>

Le Thu, 27 May 2010 14:41:58 +0200, <stefan-lucks@see-the.signature> a  =

=E9crit:
> Because students appreciate coherent concepts.
>
> More specifically: There is a syntactic gap between SPARK and Ada. I h=
ad
> given a course on Ada and SPARK recently, and my students seem to be
> permanently tempted to focus on the Ada-part, while contracts and proo=
fs
> where considered a more "optional" add-on, rather than a necessary and=

> integral part of their work.
I see, and I believe this question is close to a kind of ergonomic matte=
r  =

(there is something like ergonomy in languages too).

-- =

There is even better than a pragma Assert: a SPARK --# check.
--# check C and WhoKnowWhat and YouKnowWho;
--# assert Ada;
--  i.e. forget about previous premises which leads to conclusion
--  and start with new conclusion as premise.