ceph/src/boost/libs/geometry/include/boost/geometry/index/detail/rtree/node/pairs.hpp

   1 // Boost.Geometry Index
   2 //
   3 // Pairs intended to be used internally in nodes.
   4 //
   5 // Copyright (c) 2011-2013 Adam Wulkiewicz, Lodz, Poland.
   6 //
   7 // Use, modification and distribution is subject to the Boost Software License,
   8 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   9 // http://www.boost.org/LICENSE_1_0.txt)
  10
  11 #ifndef BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_PAIRS_HPP
  12 #define BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_PAIRS_HPP
  13
  14 #include <boost/move/move.hpp>
  15
  16 namespace boost { namespace geometry { namespace index {
  17
  18 namespace detail { namespace rtree {
  19
  20 template <typename First, typename Pointer>
  21 class ptr_pair
  22 {
  23 public:
  24     typedef First first_type;
  25     typedef Pointer second_type;
  26     ptr_pair(First const& f, Pointer s) : first(f), second(s) {}
  27     //ptr_pair(ptr_pair const& p) : first(p.first), second(p.second) {}
  28     //ptr_pair & operator=(ptr_pair const& p) { first = p.first; second = p.second; return *this; }
  29
  30     first_type first;
  31     second_type second;
  32 };
  33
  34 template <typename First, typename Pointer> inline
  35 ptr_pair<First, Pointer>
  36 make_ptr_pair(First const& f, Pointer s)
  37 {
  38     return ptr_pair<First, Pointer>(f, s);
  39 }
  40
  41 // TODO: It this will be used, rename it to unique_ptr_pair and possibly use unique_ptr.
  42
  43 template <typename First, typename Pointer>
  44 class exclusive_ptr_pair
  45 {
  46     BOOST_MOVABLE_BUT_NOT_COPYABLE(exclusive_ptr_pair)
  47 public:
  48     typedef First first_type;
  49     typedef Pointer second_type;
  50     exclusive_ptr_pair(First const& f, Pointer s) : first(f), second(s) {}
  51
  52     // INFO - members aren't really moved!
  53     exclusive_ptr_pair(BOOST_RV_REF(exclusive_ptr_pair) p) : first(p.first), second(p.second) { p.second = 0; }
  54     exclusive_ptr_pair & operator=(BOOST_RV_REF(exclusive_ptr_pair) p) { first = p.first; second = p.second; p.second = 0; return *this; }
  55
  56     first_type first;
  57     second_type second;
  58 };
  59
  60 template <typename First, typename Pointer> inline
  61 exclusive_ptr_pair<First, Pointer>
  62 make_exclusive_ptr_pair(First const& f, Pointer s)
  63 {
  64     return exclusive_ptr_pair<First, Pointer>(f, s);
  65 }
  66
  67 }} // namespace detail::rtree
  68
  69 }}} // namespace boost::geometry::index
  70
  71 #endif // BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_PAIRS_HPP