src/boost/libs/hana/test/pair/foldable.cpp


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// 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/equal.hpp>
#include <boost/hana/pair.hpp>
#include <boost/hana/tuple.hpp>
#include <boost/hana/unpack.hpp>

#include <laws/base.hpp>
#include <laws/foldable.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_pair(ct_eq<1>{}, ct_eq<2>{}), f),
        f(ct_eq<1>{}, ct_eq<2>{})
    ));

    hana::test::TestFoldable<hana::pair_tag>{hana::make_tuple(
        hana::make_pair(ct_eq<3>{}, ct_eq<3>{})
      , hana::make_pair(ct_eq<3>{}, ct_eq<4>{})
      , hana::make_pair(ct_eq<4>{}, ct_eq<3>{})
      , hana::make_pair(ct_eq<4>{}, ct_eq<4>{})
    )};
}