//////////////////////////////////////////////////////////////////////////////// // The Loki Library // Copyright (c) 2001 by Andrei Alexandrescu // This code accompanies the book: // Alexandrescu, Andrei. "Modern C++ Design: Generic Programming and Design // Patterns Applied". Copyright (c) 2001. Addison-Wesley. // Permission to use, copy, modify, distribute and sell this software for any // purpose is hereby granted without fee, provided that the above copyright // notice appear in all copies and that both that copyright notice and this // permission notice appear in supporting documentation. // The author or Addison-Wesley Longman make no representations about the // suitability of this software for any purpose. It is provided "as is" // without express or implied warranty. //////////////////////////////////////////////////////////////////////////////// #ifndef LOKI_NULLTYPE_INC_ #define LOKI_NULLTYPE_INC_ // $Id: NullType.h 751 2006-10-17 19:50:37Z syntheticpp $ namespace Loki { //////////////////////////////////////////////////////////////////////////////// // class NullType // Used as a placeholder for "no type here" // Useful as an end marker in typelists //////////////////////////////////////////////////////////////////////////////// class NullType {}; } // namespace Loki #endif // end file guardian