1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
// Boost.Range library
//
// Copyright Thorsten Ottosen, Neil Groves 2006 - 2008. Use, modification and
// distribution is subject to the Boost Software License, Version
// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// For more information, see http://www.boost.org/libs/range/
//
#ifndef BOOST_RANGE_ADAPTOR_INDIRECTED_HPP
#define BOOST_RANGE_ADAPTOR_INDIRECTED_HPP
#include <boost/range/iterator_range.hpp>
#include <boost/iterator/indirect_iterator.hpp>
namespace boost
{
namespace range_detail
{
template< class R >
struct indirected_range :
public boost::iterator_range<
boost::indirect_iterator<
BOOST_DEDUCED_TYPENAME range_iterator<R>::type
>
>
{
private:
typedef boost::iterator_range<
boost::indirect_iterator<
BOOST_DEDUCED_TYPENAME range_iterator<R>::type
>
>
base;
public:
explicit indirected_range( R& r )
: base( r )
{ }
};
struct indirect_forwarder {};
template< class InputRng >
inline indirected_range<InputRng>
operator|( InputRng& r, indirect_forwarder )
{
return indirected_range<InputRng>( r );
}
template< class InputRng >
inline indirected_range<const InputRng>
operator|( const InputRng& r, indirect_forwarder )
{
return indirected_range<const InputRng>( r );
}
} // 'range_detail'
using range_detail::indirected_range;
namespace adaptors
{
namespace
{
const range_detail::indirect_forwarder indirected =
range_detail::indirect_forwarder();
}
template<class InputRange>
inline indirected_range<InputRange>
indirect(InputRange& rng)
{
return indirected_range<InputRange>(rng);
}
template<class InputRange>
inline indirected_range<const InputRange>
indirect(const InputRange& rng)
{
return indirected_range<const InputRange>(rng);
}
} // 'adaptors'
}
#endif