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From: Hyman Rosen <hyrosen@mail.com>
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Newsgroups: comp.lang.ada
Subject: Re: ADA Popularity Discussion Request
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Date: Sun, 12 Sep 2004 05:32:46 GMT
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Xref: g2news1.google.com comp.lang.ada:3604
Date: 2004-09-12T05:32:46+00:00
List-Id: <comp.lang.ada>

Pascal Obry wrote:
> That's why working with strings in C/C++ is a nightmare! strcpy/strcat,++,--
> and so on... Look at some real world C/C++ code handling strings !
> 
> For memory, a string in Ada is:
> 
>    type String is array (Positive range <>) of Character;
> 
> And you can do something like:
> 
>    function Some_Value return String is
>    begin
>       return "...";
>    end Some_Value;
> 
>    S1 : constant String := "a long string";
>    S2 : constant String := "this is definitly " & S1 & Some_Value;
> 
>    S3 : constant String := S1 (S1'First + 2 .. S1'First + 5);

I'm puzzled. Your Ada code translates line-for-line into C++:

     #include <string>
     std::string sv() { return "..."; }
     int main()
     {
         std::string const s1("a long string");
         std::string const s2("this is definitly " + s1 + sv());
         std::string const s3(s1.begin() + 2, s1.begin() + 5 + 1);
     }

Granted that the C++ code is using the equivalent of Ada's unbounded_string,
I'd hardly call this a nightmare.