1// Copyright Louis Dionne 2013-2022
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/functional/reverse_partial.hpp>
8
9#include <laws/base.hpp>
10namespace hana = boost::hana;
11using hana::test::ct_eq;
12
13
14int main() {
15 constexpr auto rp = hana::reverse_partial;
16 hana::test::_injection<0> f{};
17
18 BOOST_HANA_CONSTANT_CHECK(hana::equal(
19 rp(f)(),
20 f()
21 ));
22 BOOST_HANA_CONSTANT_CHECK(hana::equal(
23 rp(f)(ct_eq<1>{}),
24 f(ct_eq<1>{})
25 ));
26 BOOST_HANA_CONSTANT_CHECK(hana::equal(
27 rp(f)(ct_eq<1>{}, ct_eq<2>{}),
28 f(ct_eq<1>{}, ct_eq<2>{})
29 ));
30 BOOST_HANA_CONSTANT_CHECK(hana::equal(
31 rp(f)(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}),
32 f(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})
33 ));
34
35 BOOST_HANA_CONSTANT_CHECK(hana::equal(
36 rp(f, ct_eq<1>{})(),
37 f(ct_eq<1>{})
38 ));
39 BOOST_HANA_CONSTANT_CHECK(hana::equal(
40 rp(f, ct_eq<1>{})(ct_eq<2>{}),
41 f(ct_eq<2>{}, ct_eq<1>{})
42 ));
43 BOOST_HANA_CONSTANT_CHECK(hana::equal(
44 rp(f, ct_eq<1>{})(ct_eq<2>{}, ct_eq<3>{}),
45 f(ct_eq<2>{}, ct_eq<3>{}, ct_eq<1>{})
46 ));
47
48 BOOST_HANA_CONSTANT_CHECK(hana::equal(
49 rp(f, ct_eq<1>{}, ct_eq<2>{})(),
50 f(ct_eq<1>{}, ct_eq<2>{})
51 ));
52 BOOST_HANA_CONSTANT_CHECK(hana::equal(
53 rp(f, ct_eq<1>{}, ct_eq<2>{})(ct_eq<3>{}),
54 f(ct_eq<3>{}, ct_eq<1>{}, ct_eq<2>{})
55 ));
56 BOOST_HANA_CONSTANT_CHECK(hana::equal(
57 rp(f, ct_eq<1>{}, ct_eq<2>{})(ct_eq<3>{}, ct_eq<4>{}),
58 f(ct_eq<3>{}, ct_eq<4>{}, ct_eq<1>{}, ct_eq<2>{})
59 ));
60
61 BOOST_HANA_CONSTANT_CHECK(hana::equal(
62 rp(f, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})(),
63 f(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})
64 ));
65}
66

source code of boost/libs/hana/test/functional/reverse_partial.cpp