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Add container library (for static_vector)
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Yuri Kunde Schlesner
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166 changed files with 77078 additions and 0 deletions
274
boost/move/algorithm.hpp
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274
boost/move/algorithm.hpp
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//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2012-2012.
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// Distributed under the Boost Software License, Version 1.0.
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// (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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// See http://www.boost.org/libs/move for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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//! \file
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#ifndef BOOST_MOVE_ALGORITHM_HPP
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#define BOOST_MOVE_ALGORITHM_HPP
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#include <boost/move/detail/config_begin.hpp>
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#include <boost/move/utility_core.hpp>
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#include <boost/move/iterator.hpp>
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#include <boost/detail/no_exceptions_support.hpp>
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#include <algorithm> //copy, copy_backward
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#include <memory> //uninitialized_copy
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namespace boost {
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//////////////////////////////////////////////////////////////////////////////
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//
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// move
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//
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//////////////////////////////////////////////////////////////////////////////
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#if !defined(BOOST_MOVE_USE_STANDARD_LIBRARY_MOVE)
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//! <b>Effects</b>: Moves elements in the range [first,last) into the range [result,result + (last -
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//! first)) starting from first and proceeding to last. For each non-negative integer n < (last-first),
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//! performs *(result + n) = ::boost::move (*(first + n)).
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//!
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//! <b>Effects</b>: result + (last - first).
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//!
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//! <b>Requires</b>: result shall not be in the range [first,last).
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//!
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//! <b>Complexity</b>: Exactly last - first move assignments.
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template <typename I, // I models InputIterator
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typename O> // O models OutputIterator
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O move(I f, I l, O result)
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{
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while (f != l) {
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*result = ::boost::move(*f);
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++f; ++result;
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}
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return result;
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}
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//////////////////////////////////////////////////////////////////////////////
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//
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// move_backward
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//
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//////////////////////////////////////////////////////////////////////////////
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//! <b>Effects</b>: Moves elements in the range [first,last) into the range
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//! [result - (last-first),result) starting from last - 1 and proceeding to
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//! first. For each positive integer n <= (last - first),
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//! performs *(result - n) = ::boost::move(*(last - n)).
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//!
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//! <b>Requires</b>: result shall not be in the range [first,last).
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//!
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//! <b>Returns</b>: result - (last - first).
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//!
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//! <b>Complexity</b>: Exactly last - first assignments.
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template <typename I, // I models BidirectionalIterator
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typename O> // O models BidirectionalIterator
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O move_backward(I f, I l, O result)
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{
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while (f != l) {
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--l; --result;
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*result = ::boost::move(*l);
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}
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return result;
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}
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#else
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using ::std::move_backward;
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#endif //!defined(BOOST_MOVE_USE_STANDARD_LIBRARY_MOVE)
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//////////////////////////////////////////////////////////////////////////////
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//
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// uninitialized_move
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//
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//////////////////////////////////////////////////////////////////////////////
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//! <b>Effects</b>:
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//! \code
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//! for (; first != last; ++result, ++first)
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//! new (static_cast<void*>(&*result))
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//! typename iterator_traits<ForwardIterator>::value_type(boost::move(*first));
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//! \endcode
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//!
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//! <b>Returns</b>: result
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template
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<typename I, // I models InputIterator
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typename F> // F models ForwardIterator
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F uninitialized_move(I f, I l, F r
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/// @cond
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// ,typename ::boost::move_detail::enable_if<has_move_emulation_enabled<typename std::iterator_traits<I>::value_type> >::type* = 0
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/// @endcond
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)
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{
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typedef typename std::iterator_traits<I>::value_type input_value_type;
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F back = r;
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BOOST_TRY{
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while (f != l) {
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void * const addr = static_cast<void*>(::boost::move_detail::addressof(*r));
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::new(addr) input_value_type(::boost::move(*f));
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++f; ++r;
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}
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}
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BOOST_CATCH(...){
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for (; back != r; ++back){
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back->~input_value_type();
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}
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BOOST_RETHROW;
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}
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BOOST_CATCH_END
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return r;
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}
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/// @cond
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/*
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template
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<typename I, // I models InputIterator
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typename F> // F models ForwardIterator
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F uninitialized_move(I f, I l, F r,
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typename ::boost::move_detail::disable_if<has_move_emulation_enabled<typename std::iterator_traits<I>::value_type> >::type* = 0)
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{
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return std::uninitialized_copy(f, l, r);
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}
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*/
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//////////////////////////////////////////////////////////////////////////////
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//
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// uninitialized_copy_or_move
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//
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//////////////////////////////////////////////////////////////////////////////
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namespace move_detail {
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template
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<typename I, // I models InputIterator
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typename F> // F models ForwardIterator
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inline F uninitialized_move_move_iterator(I f, I l, F r
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// ,typename ::boost::move_detail::enable_if< has_move_emulation_enabled<typename I::value_type> >::type* = 0
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)
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{
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return ::boost::uninitialized_move(f, l, r);
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}
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/*
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template
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<typename I, // I models InputIterator
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typename F> // F models ForwardIterator
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F uninitialized_move_move_iterator(I f, I l, F r,
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typename ::boost::move_detail::disable_if< has_move_emulation_enabled<typename I::value_type> >::type* = 0)
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{
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return std::uninitialized_copy(f.base(), l.base(), r);
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}
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*/
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} //namespace move_detail {
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template
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<typename I, // I models InputIterator
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typename F> // F models ForwardIterator
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inline F uninitialized_copy_or_move(I f, I l, F r,
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typename ::boost::move_detail::enable_if< move_detail::is_move_iterator<I> >::type* = 0)
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{
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return ::boost::move_detail::uninitialized_move_move_iterator(f, l, r);
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}
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//////////////////////////////////////////////////////////////////////////////
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//
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// copy_or_move
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//
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//////////////////////////////////////////////////////////////////////////////
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namespace move_detail {
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template
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<typename I, // I models InputIterator
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typename F> // F models ForwardIterator
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inline F move_move_iterator(I f, I l, F r
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// ,typename ::boost::move_detail::enable_if< has_move_emulation_enabled<typename I::value_type> >::type* = 0
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)
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{
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return ::boost::move(f, l, r);
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}
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/*
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template
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<typename I, // I models InputIterator
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typename F> // F models ForwardIterator
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F move_move_iterator(I f, I l, F r,
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typename ::boost::move_detail::disable_if< has_move_emulation_enabled<typename I::value_type> >::type* = 0)
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{
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return std::copy(f.base(), l.base(), r);
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}
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*/
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} //namespace move_detail {
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template
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<typename I, // I models InputIterator
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typename F> // F models ForwardIterator
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inline F copy_or_move(I f, I l, F r,
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typename ::boost::move_detail::enable_if< move_detail::is_move_iterator<I> >::type* = 0)
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{
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return ::boost::move_detail::move_move_iterator(f, l, r);
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}
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/// @endcond
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//! <b>Effects</b>:
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//! \code
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//! for (; first != last; ++result, ++first)
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//! new (static_cast<void*>(&*result))
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//! typename iterator_traits<ForwardIterator>::value_type(*first);
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//! \endcode
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//!
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//! <b>Returns</b>: result
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//!
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//! <b>Note</b>: This function is provided because
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//! <i>std::uninitialized_copy</i> from some STL implementations
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//! is not compatible with <i>move_iterator</i>
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template
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<typename I, // I models InputIterator
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typename F> // F models ForwardIterator
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inline F uninitialized_copy_or_move(I f, I l, F r
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/// @cond
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,typename ::boost::move_detail::disable_if< move_detail::is_move_iterator<I> >::type* = 0
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/// @endcond
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)
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{
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return std::uninitialized_copy(f, l, r);
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}
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//! <b>Effects</b>:
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//! \code
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//! for (; first != last; ++result, ++first)
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//! *result = *first;
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//! \endcode
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//!
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//! <b>Returns</b>: result
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//!
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//! <b>Note</b>: This function is provided because
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//! <i>std::uninitialized_copy</i> from some STL implementations
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//! is not compatible with <i>move_iterator</i>
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template
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<typename I, // I models InputIterator
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typename F> // F models ForwardIterator
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inline F copy_or_move(I f, I l, F r
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/// @cond
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,typename ::boost::move_detail::disable_if< move_detail::is_move_iterator<I> >::type* = 0
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/// @endcond
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)
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{
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return std::copy(f, l, r);
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}
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} //namespace boost {
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#include <boost/move/detail/config_end.hpp>
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#endif //#ifndef BOOST_MOVE_ALGORITHM_HPP
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