This file is indexed.

/usr/include/boost/range/algorithm/swap_ranges.hpp is in libboost1.55-dev 1.55.0+dfsg-3.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  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
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
//  Copyright Neil Groves 2009. 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_ALGORITHM_SWAP_RANGES_HPP_INCLUDED
#define BOOST_RANGE_ALGORITHM_SWAP_RANGES_HPP_INCLUDED

#include <boost/assert.hpp>
#include <boost/concept_check.hpp>
#include <boost/iterator/iterator_categories.hpp>
#include <boost/range/begin.hpp>
#include <boost/range/end.hpp>
#include <boost/range/concepts.hpp>
#include <boost/range/iterator.hpp>
#include <algorithm>

namespace boost
{
    namespace range_detail
    {
        template<class Iterator1, class Iterator2>
        void swap_ranges_impl(Iterator1 it1, Iterator1 last1,
                              Iterator2 it2, Iterator2 last2,
                              single_pass_traversal_tag,
                              single_pass_traversal_tag)
        {
            ignore_unused_variable_warning(last2);
            for (; it1 != last1; ++it1, ++it2)
            {
                BOOST_ASSERT( it2 != last2 );
                std::iter_swap(it1, it2);
            }
        }

        template<class Iterator1, class Iterator2>
        void swap_ranges_impl(Iterator1 it1, Iterator1 last1,
                              Iterator2 it2, Iterator2 last2,
                              random_access_traversal_tag,
                              random_access_traversal_tag)
        {
            ignore_unused_variable_warning(last2);
            BOOST_ASSERT( last2 - it2 >= last1 - it1 );
            std::swap_ranges(it1, last1, it2);
        }

        template<class Iterator1, class Iterator2>
        void swap_ranges_impl(Iterator1 first1, Iterator1 last1,
                              Iterator2 first2, Iterator2 last2)
        {
            swap_ranges_impl(first1, last1, first2, last2,
                BOOST_DEDUCED_TYPENAME iterator_traversal<Iterator1>::type(),
                BOOST_DEDUCED_TYPENAME iterator_traversal<Iterator2>::type());
        }
    } // namespace range_detail

    namespace range
    {

/// \brief template function swap_ranges
///
/// range-based version of the swap_ranges std algorithm
///
/// \pre SinglePassRange1 is a model of the SinglePassRangeConcept
/// \pre SinglePassRange2 is a model of the SinglePassRangeConcept
template< class SinglePassRange1, class SinglePassRange2 >
inline SinglePassRange2&
swap_ranges(SinglePassRange1& range1, SinglePassRange2& range2)
{
    BOOST_RANGE_CONCEPT_ASSERT((SinglePassRangeConcept<SinglePassRange1>));
    BOOST_RANGE_CONCEPT_ASSERT((SinglePassRangeConcept<SinglePassRange2>));

    boost::range_detail::swap_ranges_impl(
        boost::begin(range1), boost::end(range1),
        boost::begin(range2), boost::end(range2));

    return range2;
}

/// \overload
template< class SinglePassRange1, class SinglePassRange2 >
inline SinglePassRange2&
swap_ranges(const SinglePassRange1& range1, SinglePassRange2& range2)
{
    BOOST_RANGE_CONCEPT_ASSERT((SinglePassRangeConcept<const SinglePassRange1>));
    BOOST_RANGE_CONCEPT_ASSERT((SinglePassRangeConcept<SinglePassRange2>));

    boost::range_detail::swap_ranges_impl(
        boost::begin(range1), boost::end(range1),
        boost::begin(range2), boost::end(range2));

    return range2;
}

/// \overload
template< class SinglePassRange1, class SinglePassRange2 >
inline const SinglePassRange2&
swap_ranges(SinglePassRange1& range1, const SinglePassRange2& range2)
{
    BOOST_RANGE_CONCEPT_ASSERT((SinglePassRangeConcept<SinglePassRange1>));
    BOOST_RANGE_CONCEPT_ASSERT((SinglePassRangeConcept<const SinglePassRange2>));

    boost::range_detail::swap_ranges_impl(
        boost::begin(range1), boost::end(range1),
        boost::begin(range2), boost::end(range2));

    return range2;
}

/// \overload
template< class SinglePassRange1, class SinglePassRange2 >
inline const SinglePassRange2&
swap_ranges(const SinglePassRange1& range1, const SinglePassRange2& range2)
{
    BOOST_RANGE_CONCEPT_ASSERT((SinglePassRangeConcept<const SinglePassRange1>));
    BOOST_RANGE_CONCEPT_ASSERT((SinglePassRangeConcept<const SinglePassRange2>));

    boost::range_detail::swap_ranges_impl(
        boost::begin(range1), boost::end(range1),
        boost::begin(range2), boost::end(range2));

    return range2;
}

    } // namespace range
    using range::swap_ranges;
} // namespace boost

#endif // include guard