From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-0.3 required=5.0 tests=BAYES_00,
	REPLYTO_WITHOUT_TO_CC autolearn=no autolearn_force=no version=3.4.4
Path: 
 eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!.POSTED!not-for-mail
From: "G.B." <bauhaus@notmyhomepage.invalid>
Newsgroups: comp.lang.ada
Subject: Re: A function that cannot be called?
Date: Fri, 19 Oct 2018 13:15:48 +0200
Organization: A noiseless patient Spider
Message-ID: <pqced4$5gl$1@dont-email.me>
References: <pq9tf7$9bf$1@dont-email.me>
 <99f41210-6fe2-4b4d-90ad-21a0ab108f53@googlegroups.com>
Reply-To: nonlegitur@notmyhomepage.de
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 7bit
Injection-Date: Fri, 19 Oct 2018 11:15:49 -0000 (UTC)
Injection-Info: reader02.eternal-september.org;
 posting-host="189888e645ecebbf26e597f043adf425";
	logging-data="5653"; mail-complaints-to="abuse@eternal-september.org";
	posting-account="U2FsdGVkX19OtUaNATlyaX41uCOdtH8j/qveQ5VhwfI="
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:52.0)
 Gecko/20100101 Thunderbird/52.9.1
Cancel-Lock: sha1:mM1JeyJE7IrqmZrHlyhBP84TIOM=
In-Reply-To: <99f41210-6fe2-4b4d-90ad-21a0ab108f53@googlegroups.com>
Content-Language: de-DE
Xref: reader02.eternal-september.org comp.lang.ada:54650
Date: 2018-10-19T13:15:48+02:00
List-Id: <comp.lang.ada>

On 19.10.18 10:48, AdaMagica wrote:
>> package What is
>>
>>       type Void (<>) is private;
>>
>         Obj1, Obj2: Void;
> 
>         procedure Process (X: in out Void; Params: Some_Type);
>>
>> private
>      -- Full type and object declarations here
>> end What;
> 
> Also this is possible. There are just two objects with which you can work.

For purposes of exploration, I want Void to have no values,
but I want it to have functions.

One function of lesser importance would be the empty function.