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hana/test/functional/arg.cpp
2014-06-04 11:29:08 -04:00

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821 B
C++

/*
@copyright Louis Dionne 2014
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/functional.hpp>
#include <boost/hana/detail/static_assert.hpp>
#include <boost/hana/integral.hpp>
using namespace boost::hana;
int main() {
BOOST_HANA_STATIC_ASSERT(arg<1>(int_<1>) == int_<1>);
BOOST_HANA_STATIC_ASSERT(arg<1>(int_<1>, int_<2>) == int_<1>);
BOOST_HANA_STATIC_ASSERT(arg<1>(int_<1>, int_<2>, int_<3>) == int_<1>);
BOOST_HANA_STATIC_ASSERT(arg<2>(int_<1>, int_<2>) == int_<2>);
BOOST_HANA_STATIC_ASSERT(arg<2>(int_<1>, int_<2>, int_<3>) == int_<2>);
BOOST_HANA_STATIC_ASSERT(arg<2>(1, '2', "3") == '2');
BOOST_HANA_STATIC_ASSERT(arg<3>(int_<1>, int_<2>, int_<3>) == int_<3>);
}