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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: Ada-Oriented GUI
Date: Fri, 23 Mar 2018 13:59:36 +0100
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Xref: reader02.eternal-september.org comp.lang.ada:51167
Date: 2018-03-23T13:59:36+01:00
List-Id: <comp.lang.ada>

On 23/03/2018 13:31, Alejandro R. Mosteo wrote:

> I (humbly) think that people not knowing Rx but arguing against it are 
> barking at the wrong tree.

Yes, but this is a natural defense reflex against snake oil sellers.

> To me, Rx vs imperative [for suitable problems] it's like tasking in Ada 
> vs other languages. Ada is in entirely another league wrt simplicity and 
> safety.

If you mean comparing languages with no tasking support to Ada, that is 
not like imperative vs. declarative. [Event-controlled is not really 
declarative]

> I'm really not an Rx expert, so I'm not sure what kind of research is 
> being done on it that could be relevant for safety-minded people. What I 
> know is that the principles are simple and elegant, and my instinct says 
> that it would interact very well with Ada protected objects, so I would 
> be surprised if nothing good could be deducted starting from there.

If principles are simply and elegant they certainly could be explained 
in a few words understandable for residents of comp.lang.ada.

[There is nothing simple or elegant in event-controlled architectures. 
Doing this for 20+ years (this is state of the art in automation 
systems), I am pretty sure of.]

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de