vn-verdnaturachat/ios/Pods/boost-for-react-native/boost/geometry/index/detail/meta.hpp

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1.3 KiB
C++

// Boost.Geometry Index
//
// Copyright (c) 2011-2013 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)
#include <boost/range.hpp>
#include <boost/mpl/aux_/has_type.hpp>
#include <boost/mpl/if.hpp>
#include <boost/mpl/and.hpp>
//#include <boost/type_traits/is_convertible.hpp>
#ifndef BOOST_GEOMETRY_INDEX_DETAIL_META_HPP
#define BOOST_GEOMETRY_INDEX_DETAIL_META_HPP
namespace boost { namespace geometry { namespace index { namespace detail {
template <typename T>
struct is_range
: ::boost::mpl::aux::has_type< ::boost::range_iterator<T> >
{};
//template <typename T, typename V, bool IsRange>
//struct is_range_of_convertible_values_impl
// : ::boost::is_convertible<typename ::boost::range_value<T>::type, V>
//{};
//
//template <typename T, typename V>
//struct is_range_of_convertible_values_impl<T, V, false>
// : ::boost::mpl::bool_<false>
//{};
//
//template <typename T, typename V>
//struct is_range_of_convertible_values
// : is_range_of_convertible_values_impl<T, V, is_range<T>::value>
//{};
}}}} // namespace boost::geometry::index::detail
#endif // BOOST_GEOMETRY_INDEX_DETAIL_META_HPP