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From: Martin Krischik <krischik@users.sourceforge.net>
Newsgroups: comp.lang.ada
Subject: Re: help with string splitting
Date: Thu, 09 Mar 2006 17:50:53 +0100
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Date: 2006-03-09T17:50:53+01:00
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isaac2004 wrote:

> First_Half_Index  : Positive := 1;
> Second_Half_Index :  Positive := 2;
> 
> 
>>for Code_Index in Codetext'Length loop
>   >  if Code_Index <= Codetext'Length / 2 then
>  >      Plaintext(First_Half_index) := Codetext(Code_Index);
>>       First_Half_Index := First_Half_Index + 2;
>>    else
>>       Plaintext(Second_Half_Index) := Codetext(Code_Index);
>>        Second_Half_Index := Second_Half_Index + 2;
>>   end if;
>>end loop;
> 
> this code confuses me
> what is Code_Index and Codetext'Length

Code_Index is a variable declared as part of for loop. C99 can do that as
well - finally ;-) . See:

http://en.wikibooks.org/wiki/Ada_Programming/Control#for_loop

Codetext'Length is the length of the array  - mind you I would have used
Codetext'Range - which is range of valid indices for Codetext. See:

http://en.wikibooks.org/wiki/Ada_Programming/Attributes/'Length
http://en.wikibooks.org/wiki/Ada_Programming/Attributes/'Range

Martin
-- 
mailto://krischik@users.sourceforge.net
Ada programming at: http://ada.krischik.com