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/is_disjoint.hpp>
7#include <boost/hana/map.hpp>
8#include <boost/hana/not.hpp>
9#include <boost/hana/set.hpp>
10#include <boost/hana/tuple.hpp>
11#include <boost/hana/type.hpp>
12
13#include <string>
14namespace hana = boost::hana;
15using namespace std::literals;
16
17
18int main() {
19 // Tuples
20 auto xs = hana::make_tuple(hana::int_c<1>, "alfa"s, hana::type_c<int>);
21 auto ys = hana::make_tuple(hana::type_c<void>, hana::int_c<3>, "bravo"s);
22 BOOST_HANA_RUNTIME_CHECK(hana::is_disjoint(xs, ys));
23
24 // Sets
25 auto s1 = hana::make_set(hana::int_c<1>, hana::type_c<void>, hana::int_c<2>);
26 auto s2 = hana::make_set(hana::type_c<char>, hana::type_c<int>, hana::int_c<1>);
27 BOOST_HANA_CONSTANT_CHECK(!hana::is_disjoint(s1, s2));
28
29 // Maps
30 auto vowels = hana::make_map(
31 hana::make_pair(hana::char_c<'a'>, "alfa"s),
32 hana::make_pair(hana::char_c<'e'>, "echo"s),
33 hana::make_pair(hana::char_c<'i'>, "india"s)
34 // ...
35 );
36
37 auto consonants = hana::make_map(
38 hana::make_pair(hana::char_c<'b'>, "bravo"s),
39 hana::make_pair(hana::char_c<'c'>, "charlie"s),
40 hana::make_pair(hana::char_c<'f'>, "foxtrot"s)
41 // ...
42 );
43
44 BOOST_HANA_CONSTANT_CHECK(hana::is_disjoint(vowels, consonants));
45}
46

source code of boost/libs/hana/example/is_disjoint.cpp