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Newsgroups: comp.lang.ada
Subject: Re: Ada noob here! Is Ada widely used?
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Date: Mon, 07 Jun 2010 17:28:11 +0200
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From: "Martin Krischik" <krischik@users.sourceforge.net>
Organization: Martin Krischik, Softwareentwicklung
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Date: 2010-06-07T17:28:11+02:00
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Am 07.06.2010, 17:09 Uhr, schrieb Dmitry A. Kazakov  
<mailbox@dmitry-kazakov.de>:

> On Mon, 07 Jun 2010 17:00:07 +0200, Georg Bauhaus wrote:
>
>> On 07.06.10 16:51, Dmitry A. Kazakov wrote:
>>> On Mon, 07 Jun 2010 16:12:38 +0200, Georg Bauhaus wrote:
>>>
>>>> On 07.06.10 14:22, Dmitry A. Kazakov wrote:
>>>
>>>>> This includes the exceptional ones. When bug
>>>>> happens, the program is in no state.
>>>>
>>>> Erh, are you sure?
>>>
>>> Yes I am. Any program state is defined, it has some sematic  
>>> interpretation
>>> in the domain. Bug is when you have lost this synchronization.  
>>> Meaningless
>>> state is no state.
>>
>> Then what constitutes a bug?
>>
>>   procedure add_to_account(Number: in out  Account_ID; sum: Money) is
>>      client_account: Account := Find_Account(Number);
>>   begin
>>     -- FIXME: not ready, using dummy account
>>     client_account := Make_new_Account;
>>   end add_to_account;
>
> Where is a problem?

He should not have called Make_new_Account and the add promised by the  
name of the function never happens.

Martin
-- 
Martin Krischik
mailto://krischik@users.sourceforge.net
https://sourceforge.net/users/krischik