Re: VC8 Compiler bizarreness

From:
"Alex Blekhman" <tkfx.REMOVE@yahoo.com>
Newsgroups:
microsoft.public.vc.language
Date:
Thu, 5 Jun 2008 00:11:13 +0300
Message-ID:
<uL5f$boxIHA.5652@TK2MSFTNGP06.phx.gbl>
"Murrgon" wrote:

Well, I went through and modified all of the operators to be
const along with their parameters, including the global ones,
but that didn't change anything. I still get the same abiguity
error.


What is the version of your VC++? I tried folowing code with
VC++2008 and it works perfectly:

<code>
namespace GTL {

typedef bool TBool;
#define INL

//
===========================================================================
// TSmartPtr class
//
===========================================================================
template <class TYPE>
class TSmartPtr
{
   // Member variables
========================================================
   private:
     TYPE* m_pRefCountObject; // Reference counting object

   // <... snipped for brevity ...>

   public:
     // Boolean operators
=====================================================
     TBool operator!()
     {
       return(NULL == m_pRefCountObject);
     }

     TBool operator==(const TSmartPtr& kObject)
     {
       return(m_pRefCountObject == kObject.m_pRefCountObject);
     }

     TBool operator==(TYPE* ptr)
     {
       return(m_pRefCountObject == ptr);
     }

     TBool operator!=(const TSmartPtr& kObject)
     {
       return(m_pRefCountObject != kObject.m_pRefCountObject);
     }

     // Uncomment "const" to eliminate the compilation error.
     //
     TBool operator!=(TYPE* ptr) /*const*/
     {
       return(m_pRefCountObject != ptr);
     }

     friend INL TBool operator==(TYPE* ptr, const TSmartPtr<TYPE>&
kObject)
     {
       return(kObject == ptr);
     }

     friend INL TBool operator!=(TYPE* ptr, const TSmartPtr<TYPE>&
kObject)
     {
       return(kObject != ptr);
     }
};

} // namespace GTL

using namespace GTL;

class TTexture {};
typedef TSmartPtr<TTexture> TTexturePtr;
typedef std::vector<TTexturePtr> TTexturePtrArray;

int _tmain(int /*argc*/, _TCHAR* /*argv*/[])
{
    TTexturePtrArray apTextures;

     for (UINT i = 0; apTextures.size() > i; ++i)
     {
       if (NULL != apTextures[i])
       {
         // Do something
       }
     }

    return 0;
}
</code>

HTH
Alex

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