libcarla/include/system/boost/metaparse/v1/cpp11/last_of.hpp

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2024-10-18 13:19:59 +08:00
#ifndef BOOST_METAPARSE_V1_CPP11_LAST_OF_HPP
#define BOOST_METAPARSE_V1_CPP11_LAST_OF_HPP
// Copyright Abel Sinkovics (abel@sinkovics.hu) 2017.
// Distributed under 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/metaparse/v1/cpp11/impl/nth_of_c.hpp>
#include <boost/metaparse/v1/fail.hpp>
#include <boost/metaparse/v1/error/index_out_of_range.hpp>
namespace boost
{
namespace metaparse
{
namespace v1
{
template <class... Ps>
struct last_of
{
typedef last_of type;
template <class S, class Pos>
struct apply : impl::nth_of_c<sizeof...(Ps) - 1, S, Pos, Ps...> {};
};
template <>
struct last_of<> : fail<error::index_out_of_range<0, -1, 0>> {};
}
}
}
#endif