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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/concept/struct.hpp>
- #include <boost/hana/equal.hpp>
- #include <boost/hana/members.hpp>
- #include "minimal_struct.hpp"
- #include <laws/base.hpp>
- #include <support/seq.hpp>
- namespace hana = boost::hana;
- using hana::test::ct_eq;
- struct MoveOnly {
- MoveOnly() = default;
- MoveOnly(MoveOnly&&) = default;
- MoveOnly(MoveOnly const&) = delete;
- MoveOnly& operator=(MoveOnly&&) = default;
- MoveOnly& operator=(MoveOnly const&) = delete;
- };
- int main() {
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::members(obj()),
- ::seq()
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::members(obj(ct_eq<0>{})),
- ::seq(ct_eq<0>{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::members(obj(ct_eq<0>{}, ct_eq<1>{})),
- ::seq(ct_eq<0>{}, ct_eq<1>{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::members(obj(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})),
- ::seq(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})
- ));
- // make sure it works with move only types
- auto z1 = hana::members(obj(MoveOnly{}));
- auto z2 = hana::members(obj(MoveOnly{}, MoveOnly{}));
- (void)z1;
- (void)z2;
- }
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