12345678910111213141516171819202122232425262728293031323334353637383940 |
- // 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/tuple.hpp>
- #include <support/tracked.hpp>
- #include <utility>
- #include <memory>
- namespace hana = boost::hana;
- int main() {
- {
- using T = hana::tuple<std::unique_ptr<int>>;
- T t(std::unique_ptr<int>(new int(3)));
- std::unique_ptr<int> p = hana::at_c<0>(std::move(t));
- BOOST_HANA_RUNTIME_CHECK(*p == 3);
- }
- // make sure we don't double-move and do other weird stuff
- {
- hana::tuple<Tracked, Tracked, Tracked> xs{
- Tracked{1}, Tracked{2}, Tracked{3}
- };
- Tracked a = hana::at_c<0>(std::move(xs)); (void)a;
- Tracked b = hana::at_c<1>(std::move(xs)); (void)b;
- Tracked c = hana::at_c<2>(std::move(xs)); (void)c;
- }
- // test with nested closures
- {
- using Inner = hana::tuple<Tracked, Tracked>;
- hana::tuple<Inner> xs{Inner{Tracked{1}, Tracked{2}}};
- Tracked a = hana::at_c<0>(hana::at_c<0>(std::move(xs))); (void)a;
- Tracked b = hana::at_c<1>(hana::at_c<0>(std::move(xs))); (void)b;
- }
- }
|