source:
code/archive/waypoints/src/external/loki/NullType.h
Last change on this file was 7266, checked in by rgrieder, 14 years ago | |
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1 | //////////////////////////////////////////////////////////////////////////////// |
2 | // The Loki Library |
3 | // Copyright (c) 2001 by Andrei Alexandrescu |
4 | // This code accompanies the book: |
5 | // Alexandrescu, Andrei. "Modern C++ Design: Generic Programming and Design |
6 | // Patterns Applied". Copyright (c) 2001. Addison-Wesley. |
7 | // Permission to use, copy, modify, distribute and sell this software for any |
8 | // purpose is hereby granted without fee, provided that the above copyright |
9 | // notice appear in all copies and that both that copyright notice and this |
10 | // permission notice appear in supporting documentation. |
11 | // The author or Addison-Wesley Longman make no representations about the |
12 | // suitability of this software for any purpose. It is provided "as is" |
13 | // without express or implied warranty. |
14 | //////////////////////////////////////////////////////////////////////////////// |
15 | #ifndef LOKI_NULLTYPE_INC_ |
16 | #define LOKI_NULLTYPE_INC_ |
17 | |
18 | // $Id: NullType.h 751 2006-10-17 19:50:37Z syntheticpp $ |
19 | |
20 | |
21 | namespace Loki |
22 | { |
23 | //////////////////////////////////////////////////////////////////////////////// |
24 | // class NullType |
25 | // Used as a placeholder for "no type here" |
26 | // Useful as an end marker in typelists |
27 | //////////////////////////////////////////////////////////////////////////////// |
28 | |
29 | class NullType {}; |
30 | |
31 | } // namespace Loki |
32 | |
33 | |
34 | #endif // end file guardian |
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