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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: Seeking for papers about tagged types vs access to subprograms
Date: Tue, 14 May 2013 14:16:52 +0200
Organization: cbb software GmbH
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Date: 2013-05-14T14:16:52+02:00
List-Id: <comp.lang.ada>

On Tue, 14 May 2013 13:34:09 +0200, Yannick Duchêne (Hibou57) wrote:

> Le Tue, 14 May 2013 09:44:00 +0200, Dmitry A. Kazakov  
> <mailbox@dmitry-kazakov.de> a écrit:
> 
>> Neither type nor operation nor value exist before other. You cannot
>> separate them. It is like magnetic field and current.
> 
> An operation has a type,, while a type may be defined without operations  
> (not a lot useful, however still possible). 

   procedure Foo;

> If a program is mainly a structure, then it is mainly made of typed values  
> (and the program as a whole, is a complex value).

No idea, what does this mean.

Value is not a programming language term, it belongs to the application
domain. Value is the meaning attributed to the state of a typed object in
some context.

E.g.

   Salary : Buckazoid := 1;

Salary is meant to have the value of 1 Buckazoid.

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