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1 | // Copyright Louis Dionne 2013-2016 |
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/tuple.hpp> | |
7 | ||
8 | #include <support/tracked.hpp> | |
9 | ||
10 | #include <utility> | |
11 | #include <memory> | |
12 | namespace hana = boost::hana; | |
13 | ||
14 | ||
15 | int main() { | |
16 | { | |
17 | using T = hana::tuple<std::unique_ptr<int>>; | |
18 | T t(std::unique_ptr<int>(new int(3))); | |
19 | std::unique_ptr<int> p = hana::at_c<0>(std::move(t)); | |
20 | BOOST_HANA_RUNTIME_CHECK(*p == 3); | |
21 | } | |
22 | // make sure we don't double-move and do other weird stuff | |
23 | { | |
24 | hana::tuple<Tracked, Tracked, Tracked> xs{ | |
25 | Tracked{1}, Tracked{2}, Tracked{3} | |
26 | }; | |
27 | ||
28 | Tracked a = hana::at_c<0>(std::move(xs)); (void)a; | |
29 | Tracked b = hana::at_c<1>(std::move(xs)); (void)b; | |
30 | Tracked c = hana::at_c<2>(std::move(xs)); (void)c; | |
31 | } | |
32 | // test with nested closures | |
33 | { | |
34 | using Inner = hana::tuple<Tracked, Tracked>; | |
35 | hana::tuple<Inner> xs{Inner{Tracked{1}, Tracked{2}}}; | |
36 | ||
37 | Tracked a = hana::at_c<0>(hana::at_c<0>(std::move(xs))); (void)a; | |
38 | Tracked b = hana::at_c<1>(hana::at_c<0>(std::move(xs))); (void)b; | |
39 | } | |
40 | } |