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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/tuple.hpp>
- #include <utility>
- namespace hana = boost::hana;
- constexpr int f() {
- // copy-assign
- {
- hana::tuple<int> xs{1};
- hana::tuple<long> ys{1};
- xs = xs;
- ys = xs;
- }
- // move-assign
- {
- hana::tuple<int> xs{1}, xxs{1};
- hana::tuple<long> ys{1};
- xs = std::move(xxs);
- ys = std::move(xs);
- }
- return 0;
- }
- static_assert(f() == 0, ""); // force f() to be constexpr
- int main() { }
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