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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/integral_constant.hpp>
- #include <boost/hana/keys.hpp>
- #include "minimal_struct.hpp"
- #include <laws/base.hpp>
- #include <support/seq.hpp>
- namespace hana = boost::hana;
- using hana::test::ct_eq;
- template <int i = 0>
- struct undefined { };
- int main() {
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::keys(obj()),
- ::seq()
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::keys(obj(undefined<0>{})),
- ::seq(hana::int_c<0>)
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::keys(obj(undefined<0>{}, undefined<1>{})),
- ::seq(hana::int_c<0>, hana::int_c<1>)
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::keys(obj(undefined<0>{}, undefined<1>{}, undefined<2>{})),
- ::seq(hana::int_c<0>, hana::int_c<1>, hana::int_c<2>)
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::keys(obj(undefined<0>{}, undefined<1>{}, undefined<2>{}, undefined<3>{})),
- ::seq(hana::int_c<0>, hana::int_c<1>, hana::int_c<2>, hana::int_c<3>)
- ));
- }
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