ceph/src/boost/boost/geometry/index/detail/rtree/visitors/is_leaf.hpp

   1 // Boost.Geometry Index
   2 //
   3 // R-tree leaf node checking visitor implementation
   4 //
   5 // Copyright (c) 2011-2015 Adam Wulkiewicz, Lodz, Poland.
   6 //
   7 // This file was modified by Oracle on 2019.
   8 // Modifications copyright (c) 2019 Oracle and/or its affiliates.
   9 // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
  10 //
  11 // Use, modification and distribution is subject to the Boost Software License,
  12 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  13 // http://www.boost.org/LICENSE_1_0.txt)
  14
  15 #ifndef BOOST_GEOMETRY_INDEX_DETAIL_RTREE_VISITORS_IS_LEAF_HPP
  16 #define BOOST_GEOMETRY_INDEX_DETAIL_RTREE_VISITORS_IS_LEAF_HPP
  17
  18 namespace boost { namespace geometry { namespace index {
  19
  20 namespace detail { namespace rtree { namespace visitors {
  21
  22 template <typename MembersHolder>
  23 struct is_leaf
  24     : public MembersHolder::visitor_const
  25 {
  26     typedef typename MembersHolder::internal_node internal_node;
  27     typedef typename MembersHolder::leaf leaf;
  28
  29     is_leaf()
  30         : result(false)
  31     {}
  32
  33     inline void operator()(internal_node const&)
  34     {
  35         // result = false;
  36     }
  37
  38     inline void operator()(leaf const&)
  39     {
  40         result = true;
  41     }
  42
  43     bool result;
  44 };
  45
  46 }}} // namespace detail::rtree::visitors
  47
  48 }}} // namespace boost::geometry::index
  49
  50 #endif // BOOST_GEOMETRY_INDEX_DETAIL_RTREE_VISITORS_IS_LEAF_HPP