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