1 // Copyright Louis Dionne 2013-2017
2 // Distributed under the Boost Software License, Version 1.0.
3 // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
4 
5 #include <boost/hana/assert.hpp>
6 #include <boost/hana/equal.hpp>
7 #include <boost/hana/integral_constant.hpp>
8 #include <boost/hana/product.hpp>
9 #include <boost/hana/range.hpp>
10 #include <boost/hana/tuple.hpp>
11 namespace hana = boost::hana;
12 
13 
main()14 int main() {
15     BOOST_HANA_CONSTANT_CHECK(
16         hana::product<>(hana::make_range(hana::int_c<1>, hana::int_c<6>)) == hana::int_c<1 * 2 * 3 * 4 * 5>
17     );
18 
19     BOOST_HANA_CONSTEXPR_CHECK(
20         hana::product<>(hana::make_tuple(1, hana::int_c<3>, hana::long_c<-5>, 9)) == 1 * 3 * -5 * 9
21     );
22 
23     BOOST_HANA_CONSTEXPR_CHECK(
24         hana::product<unsigned long>(hana::make_tuple(2ul, 3ul)) == 6ul
25     );
26 }
27