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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/assert.hpp>
#include <boost/hana/tuple.hpp>
namespace hana = boost::hana;
struct B {
int id_;
explicit B(int i = 0) : id_(i) { }
};
struct D : B {
explicit D(int i = 0) : B(i) { }
};
int main() {
{
using T0 = hana::tuple<double>;
using T1 = hana::tuple<int>;
T0 t0(2.5);
T1 t1;
t1 = t0;
BOOST_HANA_RUNTIME_CHECK(hana::at_c<0>(t1) == 2);
}
{
using T0 = hana::tuple<double, char>;
using T1 = hana::tuple<int, int>;
T0 t0(2.5, 'a');
T1 t1;
t1 = t0;
BOOST_HANA_RUNTIME_CHECK(hana::at_c<0>(t1) == 2);
BOOST_HANA_RUNTIME_CHECK(hana::at_c<1>(t1) == int('a'));
}
{
using T0 = hana::tuple<double, char, D>;
using T1 = hana::tuple<int, int, B>;
T0 t0(2.5, 'a', D(3));
T1 t1;
t1 = t0;
BOOST_HANA_RUNTIME_CHECK(hana::at_c<0>(t1) == 2);
BOOST_HANA_RUNTIME_CHECK(hana::at_c<1>(t1) == int('a'));
BOOST_HANA_RUNTIME_CHECK(hana::at_c<2>(t1).id_ == 3);
}
{
D d(3);
D d2(2);
using T0 = hana::tuple<double, char, D&>;
using T1 = hana::tuple<int, int, B&>;
T0 t0(2.5, 'a', d2);
T1 t1(1.5, 'b', d);
t1 = t0;
BOOST_HANA_RUNTIME_CHECK(hana::at_c<0>(t1) == 2);
BOOST_HANA_RUNTIME_CHECK(hana::at_c<1>(t1) == int('a'));
BOOST_HANA_RUNTIME_CHECK(hana::at_c<2>(t1).id_ == 2);
}
}
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