69 lines
2.7 KiB
C++
69 lines
2.7 KiB
C++
// Boost.Range library
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//
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// Copyright Neil Groves 2009. Use, modification and
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// distribution is subject to the Boost Software License, Version
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// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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//
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// For more information, see http://www.boost.org/libs/range/
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//
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#ifndef BOOST_RANGE_JOIN_HPP_INCLUDED
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#define BOOST_RANGE_JOIN_HPP_INCLUDED
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#include <boost/config.hpp>
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#include <boost/range/detail/join_iterator.hpp>
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#include <boost/range/concepts.hpp>
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#include <boost/range/iterator_range.hpp>
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namespace boost
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{
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template<class SinglePassRange1, class SinglePassRange2>
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iterator_range<range_detail::join_iterator<
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BOOST_DEDUCED_TYPENAME range_iterator<const SinglePassRange1>::type,
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BOOST_DEDUCED_TYPENAME range_iterator<const SinglePassRange2>::type,
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BOOST_DEDUCED_TYPENAME add_const<
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BOOST_DEDUCED_TYPENAME range_value<const SinglePassRange1>::type>::type>
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>
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join(const SinglePassRange1& r1, const SinglePassRange2& r2)
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{
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BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange1> ));
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BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange2> ));
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typedef range_detail::join_iterator<
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BOOST_DEDUCED_TYPENAME range_iterator<const SinglePassRange1>::type,
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BOOST_DEDUCED_TYPENAME range_iterator<const SinglePassRange2>::type,
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BOOST_DEDUCED_TYPENAME add_const<
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BOOST_DEDUCED_TYPENAME range_value<const SinglePassRange1>::type>::type> iterator_t;
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return iterator_range<iterator_t>(
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iterator_t(r1, r2, range_detail::join_iterator_begin_tag()),
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iterator_t(r1, r2, range_detail::join_iterator_end_tag()));
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}
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template<class SinglePassRange1, class SinglePassRange2>
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iterator_range<range_detail::join_iterator<
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BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange1>::type,
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BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange2>::type,
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BOOST_DEDUCED_TYPENAME range_value<SinglePassRange1>::type>
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>
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join(SinglePassRange1& r1, SinglePassRange2& r2)
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{
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BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange1> ));
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BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange2> ));
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typedef range_detail::join_iterator<
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BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange1>::type,
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BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange2>::type,
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BOOST_DEDUCED_TYPENAME range_value<SinglePassRange1>::type> iterator_t;
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return iterator_range<iterator_t>(
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iterator_t(r1, r2, range_detail::join_iterator_begin_tag()),
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iterator_t(r1, r2, range_detail::join_iterator_end_tag()));
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}
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} // namespace boost
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#endif // include guard
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