16 lines
524 B
C++
16 lines
524 B
C++
// Copyright Louis Dionne 2013-2017
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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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#include <boost/hana/assert.hpp>
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#include <boost/hana/not.hpp>
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#include <boost/hana/optional.hpp>
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namespace hana = boost::hana;
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BOOST_HANA_CONSTANT_CHECK( hana::is_nothing(hana::nothing));
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BOOST_HANA_CONSTANT_CHECK(!hana::is_nothing(hana::just('x')));
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BOOST_HANA_CONSTANT_CHECK(!hana::is_nothing(hana::just(hana::nothing)));
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int main() { }
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