xmog_null.h

//
// Copyright (c) 1999-2020 by Codemesh, Inc.. ALL RIGHTS RESERVED.
//
 
 
#ifndef xmog_null_inc
#define xmog_null_inc
 
 
struct xmog_base;
 
 
class XMOG_DECLSPEC xmog_null
{
public:
 
    xmog_null();
 
    bool    operator == ( const xmog_null & _rhs ) const;
 
    bool    operator == ( const xmog_base & _rhs ) const;
 
    bool    operator != ( const xmog_null & _rhs ) const;
 
    bool    operator != ( const xmog_base & _rhs ) const;
 
    bool    operator ! () const;
};
 
 
#   if !defined(XMOG_NULL_NAME)
 
    static xmog_null        null;
 
#   else
 
    static xmog_null        XMOG_NULL_NAME;
 
#   endif
 
 
#endif /* xmog_null_inc */