mirror of https://gitee.com/bigwinds/arangodb
42 lines
1.3 KiB
C++
42 lines
1.3 KiB
C++
// Copyright Louis Dionne 2013-2016
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
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#include <boost/hana/assert.hpp>
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#include <boost/hana/tuple.hpp>
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#include <laws/base.hpp>
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#include <utility>
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#include <memory>
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namespace hana = boost::hana;
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namespace test = hana::test;
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int main() {
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{
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using T = hana::tuple<std::unique_ptr<int>>;
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T t(std::unique_ptr<int>(new int(3)));
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std::unique_ptr<int> p = hana::at_c<0>(std::move(t));
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BOOST_HANA_RUNTIME_CHECK(*p == 3);
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}
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// make sure we don't double-move and do other weird stuff
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{
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hana::tuple<test::Tracked, test::Tracked, test::Tracked> xs{
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test::Tracked{1}, test::Tracked{2}, test::Tracked{3}
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};
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test::Tracked a = hana::at_c<0>(std::move(xs)); (void)a;
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test::Tracked b = hana::at_c<1>(std::move(xs)); (void)b;
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test::Tracked c = hana::at_c<2>(std::move(xs)); (void)c;
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}
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// test with nested closures
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{
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using Inner = hana::tuple<test::Tracked, test::Tracked>;
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hana::tuple<Inner> xs{Inner{test::Tracked{1}, test::Tracked{2}}};
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test::Tracked a = hana::at_c<0>(hana::at_c<0>(std::move(xs))); (void)a;
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test::Tracked b = hana::at_c<1>(hana::at_c<0>(std::move(xs))); (void)b;
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}
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}
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