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// Boost.Geometry Index
//
// R-tree nodes static visitor related code
//
// Copyright (c) 2011-2014 Adam Wulkiewicz, Lodz, Poland.
//
// Use, modification and distribution is subject to the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_VARIANT_VISITOR_HPP
#define BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_VARIANT_VISITOR_HPP
#include <boost/variant/apply_visitor.hpp>
#include <boost/variant/get.hpp>
#include <boost/variant/variant.hpp>
namespace boost { namespace geometry { namespace index {
namespace detail { namespace rtree {
// nodes variants forward declarations
template <typename Value, typename Parameters, typename Box, typename Allocators, typename Tag>
struct variant_internal_node;
template <typename Value, typename Parameters, typename Box, typename Allocators, typename Tag>
struct variant_leaf;
// nodes conversion
template <typename V, typename Value, typename Parameters, typename Box, typename Allocators, typename Tag>
inline V & get(
boost::variant<
variant_leaf<Value, Parameters, Box, Allocators, Tag>,
variant_internal_node<Value, Parameters, Box, Allocators, Tag>
> & v)
{
return boost::get<V>(v);
}
// apply visitor
template <typename Visitor, typename Value, typename Parameters, typename Box, typename Allocators, typename Tag>
inline void apply_visitor(Visitor & v,
boost::variant<
variant_leaf<Value, Parameters, Box, Allocators, Tag>,
variant_internal_node<Value, Parameters, Box, Allocators, Tag>
> & n)
{
boost::apply_visitor(v, n);
}
template <typename Visitor, typename Value, typename Parameters, typename Box, typename Allocators, typename Tag>
inline void apply_visitor(Visitor & v,
boost::variant<
variant_leaf<Value, Parameters, Box, Allocators, Tag>,
variant_internal_node<Value, Parameters, Box, Allocators, Tag>
> const& n)
{
boost::apply_visitor(v, n);
}
}} // namespace detail::rtree
}}} // namespace boost::geometry::index
#endif // BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_VARIANT_VISITOR_HPP
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