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1 // Copyright Louis Dionne 2013-2016
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/fold_right.hpp>
8 #include <boost/hana/optional.hpp>
10 #include <laws/base.hpp>
11 namespace hana
= boost::hana
;
15 hana::test::ct_eq
<2> x
{};
16 hana::test::ct_eq
<3> s
{};
17 hana::test::_injection
<0> f
{};
19 BOOST_HANA_CONSTANT_CHECK(hana::equal(
20 hana::fold_right(hana::just(x
), s
, f
),
24 BOOST_HANA_CONSTANT_CHECK(hana::equal(
25 hana::fold_right(hana::nothing
, s
, f
),