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1 | // Boost.Range library |
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2 | // |
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3 | // Copyright Neil Groves 2009. 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 | #ifndef BOOST_RANGE_ALGORITHM_EXT_PUSH_FRONT_HPP_INCLUDED |
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11 | #define BOOST_RANGE_ALGORITHM_EXT_PUSH_FRONT_HPP_INCLUDED |
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12 | |
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13 | #include <boost/range/config.hpp> |
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14 | #include <boost/range/concepts.hpp> |
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15 | #include <boost/range/difference_type.hpp> |
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16 | #include <boost/range/begin.hpp> |
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17 | #include <boost/range/end.hpp> |
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18 | #include <boost/assert.hpp> |
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19 | |
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20 | namespace boost |
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21 | { |
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22 | namespace range |
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23 | { |
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24 | |
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25 | template< class Container, class Range > |
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26 | inline Container& push_front( Container& on, const Range& from ) |
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27 | { |
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28 | BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<Container> )); |
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29 | BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const Range> )); |
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30 | BOOST_ASSERT( (void*)&on != (void*)&from && |
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31 | "cannot copy from a container to itself" ); |
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32 | on.insert( on.begin(), boost::begin(from), boost::end(from) ); |
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33 | return on; |
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34 | } |
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35 | |
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36 | } // namespace range |
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37 | using range::push_front; |
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38 | } // namespace boost |
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39 | |
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40 | #endif // include guard |
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