source: trunk/yat/utility/Functor.h @ 1040

Last change on this file since 1040 was 1040, checked in by Peter, 14 years ago

working on #267

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 1.4 KB
Line 
1#ifndef _theplu_yat_utility_functor_
2#define _theplu_yat_utility_functor_
3
4// $Id: Functor.h 1040 2008-02-06 00:42:53Z peter $
5
6/*
7  Copyright (C) 2008 Peter Johansson
8
9  This file is part of the yat library, http://trac.thep.lu.se/yat
10
11  The yat library is free software; you can redistribute it and/or
12  modify it under the terms of the GNU General Public License as
13  published by the Free Software Foundation; either version 2 of the
14  License, or (at your option) any later version.
15
16  The yat library is distributed in the hope that it will be useful,
17  but WITHOUT ANY WARRANTY; without even the implied warranty of
18  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19  General Public License for more details.
20
21  You should have received a copy of the GNU General Public License
22  along with this program; if not, write to the Free Software
23  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
24  02111-1307, USA.
25*/
26
27#include <cstddef>
28
29namespace theplu {
30namespace yat {
31namespace utility {
32
33  /**
34  */
35  template <typename Return, class Container>
36  struct ContIdentity
37  {
38    typedef Return result_type;
39    typedef Container container_type;
40
41    result_type operator()(container_type& cont, size_t i) const
42    {
43      return cont(i);
44    }
45  };
46     
47
48  /*
49  struct ContIdentity
50  {
51    template<class Container>
52    operator()(Container& cont, size_t i) const
53    {
54      return cont(i);
55    }
56  };
57  */ 
58
59}}} // of namespace utility, yat, and theplu
60
61#endif
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