Re: Compiler bug? Two variables of same name in one scope

From:
Joel Yliluoma <bisqwit@iki.fi>
Newsgroups:
comp.lang.c++.moderated
Date:
Fri, 16 Nov 2007 12:35:51 CST
Message-ID:
<slrnfjr6av.9kd.bisqwit@bisqwit.iki.fi>
On Thu, 1 Nov 2007 12:48:28 CST, Wu Yongwei wrote:

Rune Allnor wrote:

       double a = a; // <------------- This actually compiles...


Can you, or any other gurus here, show some valid working code in
this form? I really don't like it and can't think of anything useful.


Examples that are similar to that:

   int bit=1, byte=8*bit, kilobyte=1024*byte, megabyte=1024*kilobyte;

   double* p = (double*) malloc(sizeof(*p) * 100); // allocate 100 doubles

   class someobj
   {
   public:
       someobj();
       someobj(someobj* _myptr): myptr(_myptr) { }
       void realloc() { *myptr = new someobj; delete this; }
   private:
       someobj* myptr;
   };

   someobj* o = new someobj( &o );
   o->realloc(); // replaces o

(Ignore the fact that it's better to use new[] than
  malloc, I'm just illustrating here.)

--
Joel Yliluoma - http://bisqwit.iki.fi/
: comprehension = 1 / (2 ^ precision)

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