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47 lines
1.3 KiB
C++
47 lines
1.3 KiB
C++
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// Boost.Geometry Index
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//
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// Copyright (c) 2011-2013 Adam Wulkiewicz, Lodz, Poland.
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//
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 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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#include <boost/swap.hpp>
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//#include <boost/type_traits/is_empty.hpp>
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#ifndef BOOST_GEOMETRY_INDEX_DETAIL_UTILITIES_HPP
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#define BOOST_GEOMETRY_INDEX_DETAIL_UTILITIES_HPP
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namespace boost { namespace geometry { namespace index { namespace detail {
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template<class T>
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static inline void assign_cond(T & l, T const& r, boost::mpl::bool_<true> const&)
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{
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l = r;
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}
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template<class T>
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static inline void assign_cond(T &, T const&, boost::mpl::bool_<false> const&) {}
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template<class T>
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static inline void move_cond(T & l, T & r, boost::mpl::bool_<true> const&)
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{
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l = ::boost::move(r);
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}
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template<class T>
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static inline void move_cond(T &, T &, boost::mpl::bool_<false> const&) {}
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template <typename T> inline
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void swap_cond(T & l, T & r, boost::mpl::bool_<true> const&)
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{
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::boost::swap(l, r);
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}
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template <typename T> inline
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void swap_cond(T &, T &, boost::mpl::bool_<false> const&) {}
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}}}} // namespace boost::geometry::index::detail
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#endif // BOOST_GEOMETRY_INDEX_DETAIL_UTILITIES_HPP
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