src/boost/libs/hana/test/ext/std/ratio/minus.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/ext/std/ratio.hpp>
#include <boost/hana/minus.hpp>

#include <ratio>
namespace hana = boost::hana;


int main() {
    BOOST_HANA_CONSTANT_CHECK(hana::equal(
        hana::minus(std::ratio<3, 4>{}, std::ratio<5, 10>{}),
        std::ratio<3*10 - 5*4, 4*10>{}
    ));
}