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// Copyright 2015, 2019 Peter Dimov
//
// 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/core/lightweight_test_trait.hpp>
#include <boost/mp11/algorithm.hpp>
#include <boost/mp11/list.hpp>
#include <boost/mp11/utility.hpp>
#include <type_traits>
#include <tuple>
#include <utility>
int main()
{
using boost::mp11::mp_list;
using boost::mp11::mp_back;
using L1 = mp_list<void>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_back<L1>, void>));
using L2 = mp_list<float, void, int[]>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_back<L2>, int[]>));
using L3 = std::tuple<int>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_back<L3>, int>));
using L4 = std::pair<char, double>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_back<L4>, double>));
using L5 = std::add_const<void()>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_back<L5>, void()>));
using boost::mp11::mp_iota_c;
using boost::mp11::mp_size_t;
int const N = 137;
using L6 = mp_iota_c<N>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_back<L6>, mp_size_t<N-1>>));
using boost::mp11::mp_valid;
using L7 = mp_list<>;
BOOST_TEST_TRAIT_FALSE((mp_valid<mp_back, L7>));
return boost::report_errors();
}
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