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1 // Boost.Range library
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2 //
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3 // Copyright Thorsten Ottosen, Neil Groves 2006 - 2008. Use, modification and
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4 // distribution is subject to the Boost Software License, Version
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5 // 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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6 // http://www.boost.org/LICENSE_1_0.txt)
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7 //
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8 // For more information, see http://www.boost.org/libs/range/
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9 //
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10
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11 #ifndef BOOST_RANGE_ADAPTOR_COPIED_HPP
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12 #define BOOST_RANGE_ADAPTOR_COPIED_HPP
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13
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14 #include <boost/range/adaptor/argument_fwd.hpp>
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15 #include <boost/range/adaptor/sliced.hpp>
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16 #include <boost/range/size_type.hpp>
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17 #include <boost/range/iterator_range.hpp>
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18
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19 namespace boost
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20 {
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21 namespace adaptors
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22 {
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23 struct copied
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24 {
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25 copied(std::size_t t_, std::size_t u_)
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26 : t(t_), u(u_) {}
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27
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28 std::size_t t;
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29 std::size_t u;
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30 };
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31
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32 template< class CopyableRandomAccessRng >
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33 inline CopyableRandomAccessRng
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34 operator|( const CopyableRandomAccessRng& r, const copied& f )
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35 {
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36 iterator_range<
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37 BOOST_DEDUCED_TYPENAME range_iterator<const
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38 CopyableRandomAccessRng>::type >
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39 temp( adaptors::slice( r, f.t, f.u ) );
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40 return CopyableRandomAccessRng( temp.begin(), temp.end() );
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41 }
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42
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43 template<class CopyableRandomAccessRange>
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44 inline CopyableRandomAccessRange
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45 copy(const CopyableRandomAccessRange& rng, std::size_t t, std::size_t u)
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46 {
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47 iterator_range<
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48 BOOST_DEDUCED_TYPENAME range_iterator<const
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49 CopyableRandomAccessRange>::type> temp(
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50 adaptors::slice(rng, t, u));
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51
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52 return CopyableRandomAccessRange( temp.begin(), temp.end() );
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53 }
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54 } // 'adaptors'
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55
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56 }
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57
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58 #endif
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