/*
@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/detail/sandbox/map.hpp>

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


template <int i> constexpr auto k = int_<i>;
template <int i> constexpr auto v = int_<-i>;

template <int i, int j>
BOOST_HANA_CONSTEXPR_LAMBDA auto p = pair(k<i>, v<j>);

int main() {
    BOOST_HANA_STATIC_ASSERT(values(map()) == list());
    BOOST_HANA_STATIC_ASSERT(values(map(p<1, 1>)) == list(v<1>));
    BOOST_HANA_STATIC_ASSERT(values(map(p<1, 1>, p<2,2>)) == list(v<1>, v<2>));
    BOOST_HANA_STATIC_ASSERT(values(map(p<1, 1>, p<2,2>, p<3,3>)) == list(v<1>, v<2>, v<3>));
}