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// Copyright Louis Dionne 2013-2017
// 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/assert.hpp>
#include <boost/hana/is_empty.hpp>
#include <boost/hana/not.hpp>
#include <boost/hana/tuple.hpp>
namespace hana = boost::hana;
struct x0;
struct x1;
struct x2;
int main() {
// tuple_t
BOOST_HANA_CONSTANT_CHECK(hana::is_empty(hana::tuple_t<>));
BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::is_empty(hana::tuple_t<x0>)));
BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::is_empty(hana::tuple_t<x0, x1>)));
BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::is_empty(hana::tuple_t<x0, x1, x2>)));
// tuple_c
BOOST_HANA_CONSTANT_CHECK(hana::is_empty(hana::tuple_c<int>));
BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::is_empty(hana::tuple_c<int, 0>)));
BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::is_empty(hana::tuple_c<int, 0, 1>)));
BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::is_empty(hana::tuple_c<int, 0, 1, 2>)));
}
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