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39 lines
1.2 KiB
C++
39 lines
1.2 KiB
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/iterable/mcd.hpp>
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#include <boost/hana/bool.hpp>
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#include <boost/hana/detail/minimal/comparable.hpp>
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#include <boost/hana/detail/minimal/iterable.hpp>
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#include <boost/hana/detail/static_assert.hpp>
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#include <boost/hana/functional.hpp>
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#include <boost/hana/maybe.hpp>
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using namespace boost::hana;
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template <int i>
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constexpr auto x = detail::minimal::comparable<>(i);
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template <typename mcd>
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void test() {
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constexpr auto iterable = detail::minimal::iterable<mcd>;
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BOOST_HANA_STATIC_ASSERT(find(always(true_), iterable()) == nothing);
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BOOST_HANA_STATIC_ASSERT(find(always(true_), iterable(x<0>)) == just(x<0>));
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BOOST_HANA_STATIC_ASSERT(find(always(false_), iterable(x<0>)) == nothing);
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BOOST_HANA_STATIC_ASSERT(find(id, iterable(true_)) == just(true_));
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BOOST_HANA_STATIC_ASSERT(find(id, iterable(true_, false_)) == just(true_));
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BOOST_HANA_STATIC_ASSERT(find(id, iterable(false_, true_)) == just(true_));
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BOOST_HANA_STATIC_ASSERT(find(id, iterable(false_, false_)) == nothing);
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}
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int main() {
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test<Iterable::mcd>();
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}
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