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1 // Copyright Louis Dionne 2013-2017
2 // Distributed under the Boost Software License, Version 1.0.
3 // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
5 #include <boost/hana/assert.hpp>
6 #include <boost/hana/equal.hpp>
7 #include <boost/hana/flatten.hpp>
8 #include <boost/hana/optional.hpp>
10 #include <laws/base.hpp>
11 namespace hana
= boost::hana
;
12 using hana::test::ct_eq
;
16 BOOST_HANA_CONSTANT_CHECK(hana::equal(
17 hana::flatten(hana::nothing
),
20 BOOST_HANA_CONSTANT_CHECK(hana::equal(
21 hana::flatten(hana::just(hana::nothing
)),
24 BOOST_HANA_CONSTANT_CHECK(hana::equal(
25 hana::flatten(hana::just(hana::just(ct_eq
<4>{}))),
26 hana::just(ct_eq
<4>{})