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69 lines
2 KiB
C++
69 lines
2 KiB
C++
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// Boost.Range library
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//
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// Copyright Thorsten Ottosen, Neil Groves 2006. 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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// For more information, see http://www.boost.org/libs/range/
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//
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#ifndef BOOST_RANGE_ADAPTOR_COPIED_HPP
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#define BOOST_RANGE_ADAPTOR_COPIED_HPP
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#include <boost/range/adaptor/argument_fwd.hpp>
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#include <boost/range/adaptor/sliced.hpp>
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#include <boost/range/size_type.hpp>
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#include <boost/range/iterator_range.hpp>
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#include <boost/range/concepts.hpp>
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namespace boost
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{
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namespace adaptors
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{
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struct copied
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{
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copied(std::size_t t_, std::size_t u_)
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: t(t_), u(u_) {}
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std::size_t t;
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std::size_t u;
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};
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template<class CopyableRandomAccessRange>
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inline CopyableRandomAccessRange
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operator|(const CopyableRandomAccessRange& r, const copied& f)
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{
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BOOST_RANGE_CONCEPT_ASSERT((
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RandomAccessRangeConcept<const CopyableRandomAccessRange>));
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iterator_range<
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BOOST_DEDUCED_TYPENAME range_iterator<
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const CopyableRandomAccessRange
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>::type
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> temp(adaptors::slice(r, f.t, f.u));
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return CopyableRandomAccessRange(temp.begin(), temp.end());
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}
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template<class CopyableRandomAccessRange>
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inline CopyableRandomAccessRange
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copy(const CopyableRandomAccessRange& rng, std::size_t t, std::size_t u)
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{
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BOOST_RANGE_CONCEPT_ASSERT((
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RandomAccessRangeConcept<const CopyableRandomAccessRange>));
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iterator_range<
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BOOST_DEDUCED_TYPENAME range_iterator<
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const CopyableRandomAccessRange
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>::type
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> temp(adaptors::slice(rng, t, u));
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return CopyableRandomAccessRange( temp.begin(), temp.end() );
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}
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} // 'adaptors'
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}
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#endif // include guard
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