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35 lines
979 B
C++
35 lines
979 B
C++
/*
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@copyright Louis Dionne 2014
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Distributed under the Boost Software License, Version 1.0.
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(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
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*/
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#include <boost/hana/orderable/less_mcd.hpp>
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#include <boost/hana/detail/constexpr.hpp>
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#include <boost/hana/detail/minimal/orderable.hpp>
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#include <boost/hana/detail/static_assert.hpp>
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using namespace boost::hana;
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template <typename mcd>
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void test() {
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constexpr auto ord = detail::minimal::orderable<mcd>;
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BOOST_HANA_CONSTEXPR_LAMBDA auto ord_ = [=](auto i) {
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return [=] { return ord(i); };
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};
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BOOST_HANA_CONSTEXPR_LAMBDA auto less_ = ordering([](auto x) {
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return x();
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});
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BOOST_HANA_STATIC_ASSERT(less_(ord_(0), ord_(1)) == less(ord(0), ord(1)));
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BOOST_HANA_STATIC_ASSERT(less_(ord_(0), ord_(0)) == less(ord(0), ord(0)));
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BOOST_HANA_STATIC_ASSERT(less_(ord_(1), ord_(0)) == less(ord(1), ord(0)));
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}
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int main() {
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test<Orderable::less_mcd>();
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}
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