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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/equal.hpp>
- #include <boost/hana/optional.hpp>
- #include <laws/base.hpp>
- namespace hana = boost::hana;
- using hana::test::ct_eq;
- struct object {
- ct_eq<3> member;
- };
- int main() {
- auto lvalue = hana::just(object{});
- ct_eq<3>& ref = lvalue->member;
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- ref,
- ct_eq<3>{}
- ));
- auto const const_lvalue = hana::just(object{});
- ct_eq<3> const& const_ref = const_lvalue->member;
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- const_ref,
- ct_eq<3>{}
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::just(object{})->member,
- ct_eq<3>{}
- ));
- }
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