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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/config.hpp> | |
7 | #include <boost/hana/ext/std/integral_constant.hpp> | |
8 | #include <boost/hana/integral_constant.hpp> | |
9 | #include <boost/hana/mod.hpp> | |
10 | #include <boost/hana/none_of.hpp> | |
11 | #include <boost/hana/not.hpp> | |
12 | #include <boost/hana/not_equal.hpp> | |
13 | #include <boost/hana/tuple.hpp> | |
14 | #include <boost/hana/type.hpp> | |
15 | ||
16 | #include <type_traits> | |
17 | namespace hana = boost::hana; | |
18 | using namespace hana::literals; | |
19 | ||
20 | ||
21 | BOOST_HANA_CONSTEXPR_LAMBDA auto is_odd = [](auto x) { | |
22 | return x % 2_c != 0_c; | |
23 | }; | |
24 | ||
25 | int main() { | |
26 | BOOST_HANA_CONSTANT_CHECK(hana::none_of(hana::make_tuple(2_c, 4_c), is_odd)); | |
27 | BOOST_HANA_CONSTEXPR_CHECK(!hana::none_of(hana::make_tuple(1, 2), is_odd)); | |
28 | ||
29 | BOOST_HANA_CONSTANT_CHECK( | |
30 | !hana::none_of(hana::make_tuple(hana::type_c<void>, hana::type_c<char&>), hana::trait<std::is_void>) | |
31 | ); | |
32 | BOOST_HANA_CONSTANT_CHECK( | |
33 | hana::none_of(hana::make_tuple(hana::type_c<void>, hana::type_c<char&>), hana::trait<std::is_integral>) | |
34 | ); | |
35 | } |