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/intersection.hpp>
8#include <boost/hana/set.hpp>
9
10#include <laws/base.hpp>
11namespace hana = boost::hana;
12using hana::test::ct_eq;
13
14
15int main() {
16 BOOST_HANA_CONSTANT_CHECK(hana::equal(
17 hana::intersection(
18 hana::make_set(),
19 hana::make_set()
20 ),
21 hana::make_set()
22 ));
23 BOOST_HANA_CONSTANT_CHECK(hana::equal(
24 hana::intersection(
25 hana::make_set(ct_eq<0>{}),
26 hana::make_set()
27 ),
28 hana::make_set()
29 ));
30 BOOST_HANA_CONSTANT_CHECK(hana::equal(
31 hana::intersection(
32 hana::make_set(),
33 hana::make_set(ct_eq<0>{})
34 ),
35 hana::make_set()
36 ));
37
38 BOOST_HANA_CONSTANT_CHECK(hana::equal(
39 hana::intersection(
40 hana::make_set(ct_eq<0>{}),
41 hana::make_set(ct_eq<1>{})
42 ),
43 hana::make_set()
44 ));
45 BOOST_HANA_CONSTANT_CHECK(hana::equal(
46 hana::intersection(
47 hana::make_set(ct_eq<0>{}),
48 hana::make_set(ct_eq<0>{})
49 ),
50 hana::make_set(ct_eq<0>{})
51 ));
52
53 BOOST_HANA_CONSTANT_CHECK(hana::equal(
54 hana::intersection(
55 hana::make_set(ct_eq<0>{}, ct_eq<1>{}),
56 hana::make_set(ct_eq<2>{}, ct_eq<3>{})
57 ),
58 hana::make_set()
59 ));
60 BOOST_HANA_CONSTANT_CHECK(hana::equal(
61 hana::intersection(
62 hana::make_set(ct_eq<0>{}, ct_eq<1>{}),
63 hana::make_set(ct_eq<1>{}, ct_eq<2>{})
64 ),
65 hana::make_set(ct_eq<1>{})
66 ));
67 BOOST_HANA_CONSTANT_CHECK(hana::equal(
68 hana::intersection(
69 hana::make_set(ct_eq<0>{}, ct_eq<1>{}),
70 hana::make_set(ct_eq<1>{}, ct_eq<0>{})
71 ),
72 hana::make_set(ct_eq<0>{}, ct_eq<1>{})
73 ));
74
75 BOOST_HANA_CONSTANT_CHECK(hana::equal(
76 hana::intersection(
77 hana::make_set(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}),
78 hana::make_set(ct_eq<1>{}, ct_eq<0>{}, ct_eq<4>{})
79 ),
80 hana::make_set(ct_eq<0>{}, ct_eq<1>{})
81 ));
82
83 BOOST_HANA_CONSTANT_CHECK(hana::equal(
84 hana::intersection(
85 hana::make_set(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}),
86 hana::make_set(ct_eq<1>{}, ct_eq<0>{}, ct_eq<3>{}, ct_eq<2>{}, ct_eq<4>{})
87 ),
88 hana::make_set(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})
89 ));
90}
91

source code of boost/libs/hana/test/set/intersection.cpp