mp11/test/mp_pop_front.cpp
2017-03-15 21:23:15 +02:00

40 lines
1.2 KiB
C++

// Copyright 2015 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/list.hpp>
#include <type_traits>
#include <tuple>
#include <utility>
int main()
{
using boost::mp11::mp_list;
using boost::mp11::mp_pop_front;
using boost::mp11::mp_rest;
using L1 = mp_list<void>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_pop_front<L1>, mp_list<>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rest<L1>, mp_list<>>));
using L2 = mp_list<int[], void(), float>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_pop_front<L2>, mp_list<void(), float>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rest<L2>, mp_list<void(), float>>));
using L3 = std::tuple<int>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_pop_front<L3>, std::tuple<>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rest<L3>, std::tuple<>>));
using L4 = std::tuple<char, double>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_pop_front<L4>, std::tuple<double>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_rest<L4>, std::tuple<double>>));
return boost::report_errors();
}