74 lines
2.1 KiB
C++
74 lines
2.1 KiB
C++
// Copyright Louis Dionne 2013-2017
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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 <memory>
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#include <utility>
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namespace hana = boost::hana;
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struct B {
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int id_;
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explicit B(int i = 0) : id_(i) {}
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virtual ~B() {}
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};
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struct D : B {
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explicit D(int i) : B(i) {}
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};
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int main() {
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{
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using T0 = hana::tuple<double>;
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using T1 = hana::tuple<int>;
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T0 t0(2.5);
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T1 t1;
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t1 = std::move(t0);
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BOOST_HANA_RUNTIME_CHECK(hana::at_c<0>(t1) == 2);
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}
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{
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using T0 = hana::tuple<double, char>;
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using T1 = hana::tuple<int, int>;
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T0 t0(2.5, 'a');
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T1 t1;
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t1 = std::move(t0);
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BOOST_HANA_RUNTIME_CHECK(hana::at_c<0>(t1) == 2);
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BOOST_HANA_RUNTIME_CHECK(hana::at_c<1>(t1) == int('a'));
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}
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{
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using T0 = hana::tuple<double, char, D>;
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using T1 = hana::tuple<int, int, B>;
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T0 t0(2.5, 'a', D(3));
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T1 t1;
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t1 = std::move(t0);
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BOOST_HANA_RUNTIME_CHECK(hana::at_c<0>(t1) == 2);
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BOOST_HANA_RUNTIME_CHECK(hana::at_c<1>(t1) == int('a'));
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BOOST_HANA_RUNTIME_CHECK(hana::at_c<2>(t1).id_ == 3);
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}
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{
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D d(3);
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D d2(2);
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using T0 = hana::tuple<double, char, D&>;
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using T1 = hana::tuple<int, int, B&>;
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T0 t0(2.5, 'a', d2);
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T1 t1(1.5, 'b', d);
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t1 = std::move(t0);
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BOOST_HANA_RUNTIME_CHECK(hana::at_c<0>(t1) == 2);
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BOOST_HANA_RUNTIME_CHECK(hana::at_c<1>(t1) == int('a'));
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BOOST_HANA_RUNTIME_CHECK(hana::at_c<2>(t1).id_ == 2);
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}
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{
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using T0 = hana::tuple<double, char, std::unique_ptr<D>>;
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using T1 = hana::tuple<int, int, std::unique_ptr<B>>;
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T0 t0(2.5, 'a', std::unique_ptr<D>(new D(3)));
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T1 t1;
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t1 = std::move(t0);
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BOOST_HANA_RUNTIME_CHECK(hana::at_c<0>(t1) == 2);
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BOOST_HANA_RUNTIME_CHECK(hana::at_c<1>(t1) == int('a'));
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BOOST_HANA_RUNTIME_CHECK(hana::at_c<2>(t1)->id_ == 3);
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}
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}
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