update sources to v12.2.3

[ceph.git] / ceph / src / boost / libs / hana / example / functional / capture.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/functional/capture.hpp>
namespace hana = boost::hana;


int main() {
    BOOST_HANA_CONSTEXPR_LAMBDA auto sum = [](auto x, auto y, auto z) {
        return x + y + z;
    };

    BOOST_HANA_CONSTEXPR_CHECK(hana::capture(1, 2, 3)(sum)() == 6);
    BOOST_HANA_CONSTEXPR_CHECK(hana::capture(1, 2)(sum)(3) == 6);
}