update sources to v12.2.3

[ceph.git] / ceph / src / boost / libs / hana / test / basic_tuple / unpack.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/basic_tuple.hpp>
#include <boost/hana/equal.hpp>
#include <boost/hana/unpack.hpp>

#include <laws/base.hpp>
namespace hana = boost::hana;
using hana::test::ct_eq;


int main() {
    hana::test::_injection<0> f{};

    BOOST_HANA_CONSTANT_CHECK(hana::equal(
        hana::unpack(hana::make_basic_tuple(), f),
        f()
    ));

    BOOST_HANA_CONSTANT_CHECK(hana::equal(
        hana::unpack(hana::make_basic_tuple(ct_eq<0>{}), f),
        f(ct_eq<0>{})
    ));

    BOOST_HANA_CONSTANT_CHECK(hana::equal(
        hana::unpack(hana::make_basic_tuple(ct_eq<0>{}, ct_eq<1>{}), f),
        f(ct_eq<0>{}, ct_eq<1>{})
    ));

    BOOST_HANA_CONSTANT_CHECK(hana::equal(
        hana::unpack(hana::make_basic_tuple(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), f),
        f(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})
    ));
}