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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: String literals and wide_string literals - how?
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 <wccbqhjw0we.fsf@shell01.TheWorld.com> <f0b3e8$vec$1@jacob-sparre.dk>
Date: Fri, 20 Apr 2007 22:48:39 +0200
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On Fri, 20 Apr 2007 14:16:11 -0500, Randy Brukardt wrote:

> "Robert A Duff" <bobduff@shell01.TheWorld.com> wrote in message
> news:wccbqhjw0we.fsf@shell01.TheWorld.com...
> ...
>> String literals are not necessarily of type String; they can be of any
>> "string type".  A string type is any one-dimensional array of some
>> character type.  You can even do weird things like this:
>>
>>     type Bit is ('0', '1');
> 
> That's not that weird. My favorite example of this came from an early Ada 83
> book:
> 
>     type Roman_Digit is ('I', 'V', 'X', 'L', 'C', 'D', 'M');

What about a DNA-sequences?

   type Nucleotide is ('A', 'C', 'G', 'T');
   type DNA_Sequence is array (Positive range <>) of Nucleotide;

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