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/equal.hpp>
6 #include <boost/hana/then.hpp>
7 #include <boost/hana/tuple.hpp>
8 namespace hana = boost::hana;
9
10
11 struct undefined { };
12 static_assert(
13 hana::then(hana::make_tuple(undefined{}, undefined{}), hana::make_tuple(1, 2, 3))
14 ==
15 hana::make_tuple(
16 1, 2, 3,
17 1, 2, 3
18 )
19 , "");
20
main()21 int main() { }
22