Chris@16: // Boost.Geometry Index
Chris@16: //
Chris@16: // Copyright (c) 2011-2013 Adam Wulkiewicz, Lodz, Poland.
Chris@16: //
Chris@16: // Use, modification and distribution is subject to the Boost Software License,
Chris@16: // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: #include <boost/swap.hpp>
Chris@16: //#include <boost/type_traits/is_empty.hpp>
Chris@16: 
Chris@16: #ifndef BOOST_GEOMETRY_INDEX_DETAIL_UTILITIES_HPP
Chris@16: #define BOOST_GEOMETRY_INDEX_DETAIL_UTILITIES_HPP
Chris@16: 
Chris@16: namespace boost { namespace geometry { namespace index { namespace detail {
Chris@16: 
Chris@16: template<class T>
Chris@16: static inline void assign_cond(T & l, T const& r, boost::mpl::bool_<true> const&)
Chris@16: {
Chris@16:     l = r;
Chris@16: }
Chris@16: 
Chris@16: template<class T>
Chris@16: static inline void assign_cond(T &, T const&, boost::mpl::bool_<false> const&) {}
Chris@16: 
Chris@16: template<class T>
Chris@16: static inline void move_cond(T & l, T & r, boost::mpl::bool_<true> const&)
Chris@16: {
Chris@16:     l = ::boost::move(r);
Chris@16: }
Chris@16: 
Chris@16: template<class T>
Chris@16: static inline void move_cond(T &, T &, boost::mpl::bool_<false> const&) {}
Chris@16: 
Chris@16: template <typename T> inline
Chris@16: void swap_cond(T & l, T & r, boost::mpl::bool_<true> const&)
Chris@16: {
Chris@16:     ::boost::swap(l, r);
Chris@16: }
Chris@16: 
Chris@16: template <typename T> inline
Chris@16: void swap_cond(T &, T &, boost::mpl::bool_<false> const&) {}
Chris@16: 
Chris@16: }}}} // namespace boost::geometry::index::detail
Chris@16: 
Chris@16: #endif // BOOST_GEOMETRY_INDEX_DETAIL_UTILITIES_HPP