Menu

equal_to.h

Go to the documentation of this file.
00001 /*******************************************************************************
00002  *
00003  * Copyright (c) 2008-2010 Michael Schulze <mschulze@ivs.cs.uni-magdeburg.de>
00004  * All rights reserved.
00005  *
00006  *    Redistribution and use in source and binary forms, with or without
00007  *    modification, are permitted provided that the following conditions
00008  *    are met:
00009  *
00010  *    * Redistributions of source code must retain the above copyright
00011  *      notice, this list of conditions and the following disclaimer.
00012  *
00013  *    * Redistributions in binary form must reproduce the above copyright
00014  *      notice, this list of conditions and the following disclaimer in
00015  *      the documentation and/or other materials provided with the
00016  *      distribution.
00017  *
00018  *    * Neither the name of the copyright holders nor the names of
00019  *      contributors may be used to endorse or promote products derived
00020  *      from this software without specific prior written permission.
00021  *
00022  *
00023  *    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
00024  *    IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
00025  *    TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
00026  *    PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
00027  *    OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00028  *    SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
00029  *    LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
00030  *    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
00031  *    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00032  *    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00033  *    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00034  *
00035  *
00036  * $Id$
00037  *
00038  ******************************************************************************/
00039 
00040 #ifndef __equal_to_h__
00041 #define __equal_to_h__
00042 
00043 namespace famouso {
00044     namespace mw {
00045         namespace attributes {
00046             namespace filter {
00047 
00050                 struct equal_to {
00053                     template< typename L, typename R>
00054                     static bool apply(const L &l, const R &r) {
00055                         return !!(l == r);
00056                     }
00057 
00058                     template <typename L, typename R>
00059                     struct apply_compiletime {
00060                             typedef apply_compiletime type;
00061 
00062                             static const bool value = !!(L::value == R::value);
00063                     };
00064                 };
00065 
00066             } /* filter */
00067         } /* attributes */
00068     } /* mw */
00069 } /* famouso */
00070 
00071 #endif
00072