update sources to v12.2.3

[ceph.git] / ceph / src / boost / libs / hana / example / none_of.cpp

// Copyright Louis Dionne 2013-2017
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)

#include <boost/hana/assert.hpp>
#include <boost/hana/config.hpp>
#include <boost/hana/ext/std/integral_constant.hpp>
#include <boost/hana/integral_constant.hpp>
#include <boost/hana/mod.hpp>
#include <boost/hana/none_of.hpp>
#include <boost/hana/not.hpp>
#include <boost/hana/not_equal.hpp>
#include <boost/hana/tuple.hpp>
#include <boost/hana/type.hpp>

#include <type_traits>
namespace hana = boost::hana;
using namespace hana::literals;


BOOST_HANA_CONSTEXPR_LAMBDA auto is_odd = [](auto x) {
    return x % 2_c != 0_c;
};

int main() {
    BOOST_HANA_CONSTANT_CHECK(hana::none_of(hana::make_tuple(2_c, 4_c), is_odd));
    BOOST_HANA_CONSTEXPR_CHECK(!hana::none_of(hana::make_tuple(1, 2), is_odd));

    BOOST_HANA_CONSTANT_CHECK(
        !hana::none_of(hana::make_tuple(hana::type_c<void>, hana::type_c<char&>), hana::trait<std::is_void>)
    );
    BOOST_HANA_CONSTANT_CHECK(
        hana::none_of(hana::make_tuple(hana::type_c<void>, hana::type_c<char&>), hana::trait<std::is_integral>)
    );
}