/*
@copyright Louis Dionne 2014
Distributed under the Boost Software License, Version 1.0.
(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
 */

#include <boost/hana/map.hpp>

#include <boost/hana/detail/constexpr.hpp>
#include <boost/hana/detail/minimal/list.hpp>
#include <boost/hana/detail/minimal/product.hpp>
#include <boost/hana/detail/static_assert.hpp>
#include <boost/hana/integral.hpp>
using namespace boost::hana;


template <int i>
constexpr auto key = int_<i>;

template <int i>
constexpr auto value = int_<i + 100>;

template <int i, int j>
BOOST_HANA_CONSTEXPR_LAMBDA auto p = detail::minimal::product<>(key<i>, value<j>);

int main() {
    constexpr auto list = detail::minimal::list<>;

    BOOST_HANA_STATIC_ASSERT(to<Map>(list()) == map());
    BOOST_HANA_STATIC_ASSERT(to<Map>(list(p<1, 1>)) == map(p<1, 1>));
    BOOST_HANA_STATIC_ASSERT(to<Map>(list(p<1, 1>, p<2, 2>)) == map(p<1, 1>, p<2, 2>));
    BOOST_HANA_STATIC_ASSERT(to<Map>(list(p<1, 1>, p<2, 2>, p<3, 3>)) == map(p<1, 1>, p<2, 2>, p<3, 3>));
}