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)
4 
5 #include <boost/hana/assert.hpp>
6 #include <boost/hana/equal.hpp>
7 #include <boost/hana/optional.hpp>
8 #include <boost/hana/ap.hpp>
9 
10 #include <laws/base.hpp>
11 namespace hana = boost::hana;
12 using hana::test::ct_eq;
13 
14 
main()15 int main() {
16     hana::test::_injection<0> f{};
17 
18     BOOST_HANA_CONSTANT_CHECK(hana::equal(
19         hana::ap(hana::nothing, hana::nothing),
20         hana::nothing
21     ));
22     BOOST_HANA_CONSTANT_CHECK(hana::equal(
23         hana::ap(hana::just(f), hana::nothing),
24         hana::nothing
25     ));
26     BOOST_HANA_CONSTANT_CHECK(hana::equal(
27         hana::ap(hana::nothing, hana::just(ct_eq<3>{})),
28         hana::nothing
29     ));
30     BOOST_HANA_CONSTANT_CHECK(hana::equal(
31         hana::ap(hana::just(f), hana::just(ct_eq<3>{})),
32         hana::just(f(ct_eq<3>{}))
33     ));
34 }
35