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35 lines
914 B
C++
35 lines
914 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/static_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_STATIC_ASSERT(
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sequence<Maybe>(list(just(1), just('2'), just(3.3))) == just(list(1, '2', 3.3))
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);
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BOOST_HANA_STATIC_ASSERT(
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sequence<Maybe>(list(just(1), nothing, just(3.3))) == nothing
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);
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// This is a generalized Cartesian product.
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BOOST_HANA_STATIC_ASSERT(
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sequence<List>(list(list(1, 2, 3), list(4), list(5, 6)))
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==
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list(
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list(1, 4, 5), list(1, 4, 6),
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list(2, 4, 5), list(2, 4, 6),
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list(3, 4, 5), list(3, 4, 6)
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)
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);
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//! [main]
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}
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