73ef4ff3
 Hu Chunming
提交三方库
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// Copyright Louis Dionne 2013-2022
// 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/contains.hpp>
#include <boost/hana/integral_constant.hpp>
#include <boost/hana/set.hpp>
#include <boost/hana/tuple.hpp>
#include <boost/hana/type.hpp>
namespace hana = boost::hana;
BOOST_HANA_CONSTANT_CHECK(hana::contains(hana::make_tuple(2, hana::int_c<2>, hana::int_c<3>, 'x'), hana::int_c<3>));
BOOST_HANA_CONSTANT_CHECK(hana::contains(hana::make_set(hana::int_c<3>, hana::type_c<void>), hana::type_c<void>));
// contains can be applied in infix notation
BOOST_HANA_CONSTANT_CHECK(
hana::make_tuple(2, hana::int_c<2>, hana::int_c<3>, 'x') ^hana::contains^ hana::int_c<2>
);
int main() { }
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