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63 lines
1.7 KiB
C++
63 lines
1.7 KiB
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/assert.hpp>
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#include <boost/hana/detail/constexpr.hpp>
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#include <boost/hana/integral_constant.hpp>
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#include <boost/hana/tuple.hpp>
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#include <boost/hana/type.hpp>
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using namespace boost::hana;
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int main() {
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//! [greater]
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BOOST_HANA_CONSTEXPR_CHECK(greater(4, 1));
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BOOST_HANA_CONSTANT_CHECK(!greater(int_<1>, int_<3>));
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//! [greater]
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//! [greater_equal]
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BOOST_HANA_CONSTEXPR_CHECK(greater_equal(4, 1));
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BOOST_HANA_CONSTEXPR_CHECK(greater_equal(1, 1));
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BOOST_HANA_CONSTANT_CHECK(!greater_equal(int_<1>, int_<2>));
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//! [greater_equal]
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//! [less]
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BOOST_HANA_CONSTEXPR_CHECK(less(1, 4));
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BOOST_HANA_CONSTANT_CHECK(!less(int_<3>, int_<2>));
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//! [less]
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//! [less_equal]
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BOOST_HANA_CONSTEXPR_CHECK(less_equal(1, 4));
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BOOST_HANA_CONSTEXPR_CHECK(less_equal(1, 1));
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BOOST_HANA_CONSTANT_CHECK(!less_equal(int_<3>, int_<2>));
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//! [less_equal]
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//! [max]
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BOOST_HANA_CONSTEXPR_CHECK(max(1, 4) == 4);
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BOOST_HANA_CONSTANT_CHECK(max(int_<7>, int_<5>) == int_<7>);
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//! [max]
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//! [min]
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BOOST_HANA_CONSTEXPR_CHECK(min(1, 4) == 1);
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BOOST_HANA_CONSTANT_CHECK(min(int_<7>, int_<5>) == int_<5>);
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//! [min]
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//! [ordering]
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BOOST_HANA_CONSTEXPR_LAMBDA auto sorted = sort_by(ordering(sizeof_), tuple(
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type<char[3]>,
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type<char[1]>,
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type<char[2]>,
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type<char[15]>
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));
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BOOST_HANA_CONSTANT_CHECK(sorted == tuple(
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type<char[1]>,
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type<char[2]>,
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type<char[3]>,
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type<char[15]>
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));
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//! [ordering]
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}
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