// Boost.Geometry Index
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//
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// R-tree nodes static visitor related code
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//
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// Copyright (c) 2011-2014 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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#ifndef BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_VARIANT_VISITOR_HPP
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#define BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_VARIANT_VISITOR_HPP
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#include <boost/variant/apply_visitor.hpp>
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#include <boost/variant/get.hpp>
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#include <boost/variant/variant.hpp>
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namespace boost { namespace geometry { namespace index {
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namespace detail { namespace rtree {
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// nodes variants forward declarations
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template <typename Value, typename Parameters, typename Box, typename Allocators, typename Tag>
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struct variant_internal_node;
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template <typename Value, typename Parameters, typename Box, typename Allocators, typename Tag>
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struct variant_leaf;
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// nodes conversion
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template <typename V, typename Value, typename Parameters, typename Box, typename Allocators, typename Tag>
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inline V & get(
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boost::variant<
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variant_leaf<Value, Parameters, Box, Allocators, Tag>,
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variant_internal_node<Value, Parameters, Box, Allocators, Tag>
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> & v)
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{
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return boost::get<V>(v);
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}
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// apply visitor
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template <typename Visitor, typename Value, typename Parameters, typename Box, typename Allocators, typename Tag>
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inline void apply_visitor(Visitor & v,
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boost::variant<
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variant_leaf<Value, Parameters, Box, Allocators, Tag>,
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variant_internal_node<Value, Parameters, Box, Allocators, Tag>
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> & n)
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{
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boost::apply_visitor(v, n);
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}
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template <typename Visitor, typename Value, typename Parameters, typename Box, typename Allocators, typename Tag>
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inline void apply_visitor(Visitor & v,
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boost::variant<
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variant_leaf<Value, Parameters, Box, Allocators, Tag>,
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variant_internal_node<Value, Parameters, Box, Allocators, Tag>
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> const& n)
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{
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boost::apply_visitor(v, n);
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}
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}} // namespace detail::rtree
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}}} // namespace boost::geometry::index
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#endif // BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_VARIANT_VISITOR_HPP
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