source: trunk/yat/utility/WeightedIterator.h @ 1527

Last change on this file since 1527 was 1527, checked in by Peter, 13 years ago

first ci of WeightedIterator? (far from ready to fly) - refs #368

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 2.1 KB
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1#ifndef _theplu_yat_utility_weighted_iterator_
2#define _theplu_yat_utility_weighted_iterator_
3
4// $Id: WeightedIterator.h 1527 2008-09-24 13:52:28Z peter $
5
6/*
7  Copyright (C) 2008 Peter Johansson
8
9  This file is part of the yat library, http://dev.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 3 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 yat. If not, see <http://www.gnu.org/licenses/>.
23*/
24
25namespace theplu {
26namespace yat {
27namespace utility {
28
29  /**
30     @brief WeightedIterator
31  */
32  template<typename DataIterator, typename WeightIterator>
33  class WeightedIterator
34  {
35  public:
36    /**
37       \brief Constructor
38     */
39    WeightedIterator(DataIterator d, WeightIterator w)
40      : d_iter_(d), w_iter_(w)
41    {}
42
43    /**
44       \brief Conversion constructor.
45
46       Create a WeightIterator<Base> from a
47       WeightIterator<B2>. Possible if B2 is convertible to a
48       Base. Constructor allows implicit conversions such as iterator
49       to const_iterator.
50     */
51    /*
52    template<typename D2, typename W2>
53    WeightedIterator(WeightedIterator<D2, W2> other,
54            typename boost::enable_if_convertible<D2,DataIterator>::type* = 0,
55            typename boost::enable_if_convertible<W2,WeightIterator>::type* = 0)
56    {}
57    */
58
59  private:
60    DataIterator d_iter_;
61    WeightIterator w_iter_;
62  };
63
64  /**
65     \brief convenient function to create WeightedIterator
66
67     Convenient function in same fashion as std::make_pair.
68   */
69  template<typename DataIterator, typename WeightIterator>
70  WeightedIterator<DataIterator, WeightIterator> 
71  weighted_iterator(DataIterator data, WeightIterator weight)
72  {
73    return WeightedIterator<DataIterator, WeightIterator>(data, weight);
74  }
75 
76
77
78}}} // of namespace utility, yat, and theplu
79
80#endif
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