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From: AllanW@my-dejanews.com
Subject: Re: C++ Strings and NULL
Date: 1998/09/26
Message-ID: <6uhb0s$3e3$1@nnrp1.dejanews.com>#1/1
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In article <6u9217$cj9$1@mark.ucdavis.edu>,
  Karl Nelson <kenelson@ece.ucdavis.edu> wrote:
> Why was is decided not to define a basic_string((char*)NULL) as
> being equivalent to a basic_string();?
>
> Is there any reason why NULL behavior was left undefined by the standard?
>
> Sample code:
>
>   #include <string>
>
>   int foo(const string &bar)
>     { return 1;
>     }

    // Add this simple inline adapter function
    // which calls foo(string) with a valid string
    inline int foo(const char*text) // Note: Works even if text is NULL
        { return foo(text ? string(text) : string()); }

>   main()
>     {char *test=NULL;
>      foo(test);
>     }

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