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From: Keith Thompson <kst-u@mib.org>
Newsgroups: comp.lang.ada
Subject: Re: Why .ads as well as .adb?
Date: Mon, 03 Jun 2019 12:51:14 -0700
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Date: 2019-06-03T12:51:14-07:00
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"Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> writes:
> On 2019-06-03 09:35, Maciej Sobczak wrote:
>>> That is not possible. You cannot generate specification from
>>> implementation and conversely.
>> 
>> Yes, you can. You can generate specs from implementations.
>
> No. Specification describes a class of implementations. You cannot 
> deduce class from its single member.

I suspect the point is that you *could* have an Ada-like language
in which specifications could be unambiguously generated from
implementations.  You'd need some kind of additional annotation to
specify whether a given declaration is to be exported.

You can't in Ada as it is, because Ada isn't designed that way.

[...]

-- 
Keith Thompson (The_Other_Keith) kst-u@mib.org  <http://www.ghoti.net/~kst>
Will write code for food.
void Void(void) { Void(); } /* The recursive call of the void */