76 lines
1.5 KiB
C++
76 lines
1.5 KiB
C++
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// Boost.Geometry
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// Copyright (c) 2021, Oracle and/or its affiliates.
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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// Licensed under the Boost Software License version 1.0.
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// http://www.boost.org/users/license.html
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#ifndef BOOST_GEOMETRY_GEOMETRIES_ADAPTED_BOOST_ANY_HPP
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#define BOOST_GEOMETRY_GEOMETRIES_ADAPTED_BOOST_ANY_HPP
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#include <utility>
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#include <boost/any.hpp>
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#include <boost/geometry/geometries/adapted/detail/any.hpp>
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#include <boost/geometry/core/geometry_types.hpp>
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#include <boost/geometry/core/tag.hpp>
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#include <boost/geometry/core/tags.hpp>
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#include <boost/geometry/core/visit.hpp>
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namespace boost { namespace geometry
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{
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namespace detail
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{
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struct boost_any_cast_policy
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{
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template <typename T, typename Any>
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static inline T * apply(Any * any_ptr)
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{
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return boost::any_cast<T>(any_ptr);
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}
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};
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} // namespace detail
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namespace traits
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{
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template <>
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struct tag<boost::any>
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{
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using type = dynamic_geometry_tag;
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};
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template <>
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struct visit<boost::any>
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{
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template <typename Function, typename Any>
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static void apply(Function && function, Any && any)
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{
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using types_t = typename geometry_types<util::remove_cref_t<Any>>::type;
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geometry::detail::visit_any
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<
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geometry::detail::boost_any_cast_policy, types_t
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>::template apply<0>(std::forward<Function>(function), std::forward<Any>(any));
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}
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};
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} // namespace traits
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_GEOMETRIES_ADAPTED_BOOST_ANY_HPP
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