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42 lines
1.3 KiB
C++
42 lines
1.3 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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// For more information, see http://www.boost.org/libs/range/
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//
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#ifndef BOOST_RANGE_ALGORITHM_EXT_PUSH_FRONT_HPP_INCLUDED
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#define BOOST_RANGE_ALGORITHM_EXT_PUSH_FRONT_HPP_INCLUDED
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#include <boost/range/config.hpp>
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#include <boost/range/concepts.hpp>
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#include <boost/range/difference_type.hpp>
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#include <boost/range/begin.hpp>
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#include <boost/range/end.hpp>
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#include <boost/range/detail/implementation_help.hpp>
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#include <boost/assert.hpp>
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namespace boost
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{
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namespace range
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{
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template< class Container, class Range >
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inline Container& push_front( Container& on, const Range& from )
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{
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BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<Container> ));
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BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const Range> ));
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BOOST_ASSERT_MSG(!range_detail::is_same_object(on, from),
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"cannot copy from a container to itself");
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on.insert( on.begin(), boost::begin(from), boost::end(from) );
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return on;
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}
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} // namespace range
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using range::push_front;
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} // namespace boost
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#endif // include guard
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