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// Boost.Geometry (aka GGL, Generic Geometry Library)
// Copyright (c) 2014-2020, Oracle and/or its affiliates.
// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
// 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_ITERATORS_DETAIL_POINT_ITERATOR_INNER_RANGE_TYPE_HPP
#define BOOST_GEOMETRY_ITERATORS_DETAIL_POINT_ITERATOR_INNER_RANGE_TYPE_HPP
#include <type_traits>
#include <boost/range/value_type.hpp>
#include <boost/geometry/core/ring_type.hpp>
#include <boost/geometry/core/tag.hpp>
#include <boost/geometry/core/tags.hpp>
namespace boost { namespace geometry
{
#ifndef DOXYGEN_NO_DETAIL
namespace detail { namespace point_iterator
{
template
<
typename Geometry,
typename Tag = typename tag<Geometry>::type
>
struct inner_range_type
{
typedef std::conditional_t
<
! std::is_const<Geometry>::value,
typename boost::range_value<Geometry>::type,
typename boost::range_value<Geometry>::type const
> type;
};
template <typename Polygon>
struct inner_range_type<Polygon, polygon_tag>
{
typedef std::conditional_t
<
! std::is_const<Polygon>::value,
typename geometry::ring_type<Polygon>::type,
typename geometry::ring_type<Polygon>::type const
> type;
};
}} // namespace detail::point_iterator
#endif // DOXYGEN_NO_DETAIL
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_ITERATORS_DETAIL_POINT_ITERATOR_INNER_RANGE_TYPE_HPP
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