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// Boost.Geometry
// Copyright (c) 2021, Oracle and/or its affiliates.
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
// Licensed under the Boost Software License version 1.0.
// http://www.boost.org/users/license.html
#ifndef BOOST_GEOMETRY_GEOMETRIES_ADAPTED_BOOST_VARIANT2_HPP
#define BOOST_GEOMETRY_GEOMETRIES_ADAPTED_BOOST_VARIANT2_HPP
#include <utility>
#include <boost/variant2/variant.hpp>
#include <boost/geometry/core/geometry_types.hpp>
#include <boost/geometry/core/tag.hpp>
#include <boost/geometry/core/tags.hpp>
#include <boost/geometry/core/visit.hpp>
#include <boost/geometry/util/sequence.hpp>
namespace boost { namespace geometry
{
namespace traits
{
template <typename ...Ts>
struct tag<boost::variant2::variant<Ts...>>
{
using type = dynamic_geometry_tag;
};
template <typename ...Ts>
struct visit<boost::variant2::variant<Ts...>>
{
template <typename Function, typename Variant>
static void apply(Function && function, Variant && variant)
{
boost::variant2::visit(std::forward<Function>(function),
std::forward<Variant>(variant));
}
};
template <typename ...Ts, typename ...Us>
struct visit<boost::variant2::variant<Ts...>, boost::variant2::variant<Us...>>
{
template <typename Function, typename Variant1, typename Variant2>
static void apply(Function && function, Variant1 && variant1, Variant2 && variant2)
{
boost::variant2::visit(std::forward<Function>(function),
std::forward<Variant1>(variant1),
std::forward<Variant2>(variant2));
}
};
template <typename ...Ts>
struct geometry_types<boost::variant2::variant<Ts...>>
{
using type = util::type_sequence<Ts...>;
};
} // namespace traits
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_GEOMETRIES_ADAPTED_BOOST_VARIANT2_HPP
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