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/integral_constant.hpp>
6 #include <boost/hana/value.hpp>
7 namespace hana = boost::hana;
8 
9 
main()10 int main() {
11     auto i = hana::integral_c<int, 3>; // notice no constexpr
12     static_assert(hana::value<decltype(i)>() == 3, "");
13     static_assert(hana::value(i) == 3, "value(i) is always a constant expression!");
14 }
15