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From: "Jeffrey R. Carter" <spam.jrcarter.not@spam.not.acm.org>
Newsgroups: comp.lang.ada
Subject: Re: begin clause in package bodies
Date: Fri, 1 Dec 2017 17:29:16 +0100
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Date: 2017-12-01T17:29:16+01:00
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On 12/01/2017 02:05 PM, Mehdi Saada wrote:
> Ok. But it has to be a limited practice right ?
> I read using package with internal states or global variable was bad, regards to hiding implementation details, further development and concurrent programming. Less a problem Using a generic than can be instanced anywhere though.

There's nothing wrong with a package with internal state. This is the standard 
implementation of a singleton object in Ada. If the package is not task safe, 
that should be noted clearly in the package spec. It's also possible for such 
packages to be task safe.

-- 
Jeff Carter
"We call your door-opening request a silly thing."
Monty Python & the Holy Grail
17