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b32b8144 | 1 | // Copyright Louis Dionne 2013-2017 |
7c673cae FG |
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/fold_right.hpp> | |
8 | #include <boost/hana/optional.hpp> | |
9 | ||
10 | #include <laws/base.hpp> | |
11 | namespace hana = boost::hana; | |
12 | ||
13 | ||
14 | int main() { | |
15 | hana::test::ct_eq<2> x{}; | |
16 | hana::test::ct_eq<3> s{}; | |
17 | hana::test::_injection<0> f{}; | |
18 | ||
19 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
20 | hana::fold_right(hana::just(x), s, f), | |
21 | f(x, s) | |
22 | )); | |
23 | ||
24 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
25 | hana::fold_right(hana::nothing, s, f), | |
26 | s | |
27 | )); | |
28 | } |