ycpless.h

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00001 /*---------------------------------------------------------------------\
00002 |                                                                      |
00003 |                      __   __    ____ _____ ____                      |
00004 |                      \ \ / /_ _/ ___|_   _|___ \                     |
00005 |                       \ V / _` \___ \ | |   __) |                    |
00006 |                        | | (_| |___) || |  / __/                     |
00007 |                        |_|\__,_|____/ |_| |_____|                    |
00008 |                                                                      |
00009 |                               core system                            |
00010 |                                                        (C) SuSE GmbH |
00011 \----------------------------------------------------------------------/
00012 
00013    File:       ycpless.h
00014 
00015    Author:     Mathias Kettner <kettner@suse.de>
00016    Maintainer: Thomas Roelz <tom@suse.de>
00017 
00018 /-*/
00019 // -*- c++ -*-
00020 
00021 #ifndef ycpless_h
00022 #define ycpless_h
00023 
00024 #include "YCPValue.h"
00025 
00026 using std::binary_function;
00027 
00028 /*
00029  * global comparison function to be used with STL-Containers as generic
00030  * ordering operator. Compares two YCPValues and returns
00031  *    true if the first value is less than the second one,
00032  *    false otherwise.
00033  */
00034 
00035 struct ycpless : public binary_function<YCPValue, YCPValue, bool>
00036 {
00037     bool operator()(const YCPValue& x, const YCPValue& y)
00038         const { return x->compare(y) == YO_LESS; };
00039 };
00040 
00041 #endif   // ycpless_h

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