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is_null.h

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00001 /*******************************************************************************
00002  *
00003  * Copyright (c) 2008-2010 Michael Schulze <mschulze@ivs.cs.uni-magdeburg.de>
00004  *                    2010 Marcus Foerster <MarcusFoerster1@gmx.de>
00005  * All rights reserved.
00006  *
00007  *    Redistribution and use in source and binary forms, with or without
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00009  *    are met:
00010  *
00011  *    * Redistributions of source code must retain the above copyright
00012  *      notice, this list of conditions and the following disclaimer.
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00014  *    * Redistributions in binary form must reproduce the above copyright
00015  *      notice, this list of conditions and the following disclaimer in
00016  *      the documentation and/or other materials provided with the
00017  *      distribution.
00018  *
00019  *    * Neither the name of the copyright holders nor the names of
00020  *      contributors may be used to endorse or promote products derived
00021  *      from this software without specific prior written permission.
00022  *
00023  *
00024  *    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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00037  * $Id$
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00039  ******************************************************************************/
00040 
00041 #ifndef _is_null_h_
00042 #define _is_null_h_
00043 
00044 #include "mw/attributes/Null.h"
00045 #include "mw/attributes/type_traits/is_same_base_type.h"
00046 
00047 namespace famouso {
00048     namespace mw {
00049         namespace attributes {
00050             namespace type_traits {
00051 
00057                 template <typename Attr>
00058                 struct is_null :
00059                     is_same_base_type<Attr, Null> {};
00060 
00061             }  // end namespace type_traits
00062         }  // end namespace attributes
00063     }  // end namespace mw
00064 }  // end namespace famouso
00065 
00066 #endif // _is_attribute_h_