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26 lines
718 B
C++
26 lines
718 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/detail/assert.hpp>
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#include <boost/hana/list/instance.hpp>
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#include <boost/hana/maybe.hpp>
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using namespace boost::hana;
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int main() {
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//! [main]
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BOOST_HANA_CONSTEXPR_ASSERT(
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flatten(list(list(1, 2, 3), list(4, 5), list(6, 7, 8, 9)))
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==
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list(1, 2, 3, 4, 5, 6, 7, 8, 9)
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);
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BOOST_HANA_CONSTANT_ASSERT(flatten(nothing) == nothing);
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BOOST_HANA_CONSTEXPR_ASSERT(flatten(just(just(1))) == just(1));
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BOOST_HANA_CONSTANT_ASSERT(flatten(just(nothing)) == nothing);
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//! [main]
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}
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