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35 lines
1.3 KiB
C++
35 lines
1.3 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/foldable/lazy_foldr_mcd.hpp>
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#include <boost/hana/detail/minimal/foldable.hpp>
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#include <boost/hana/detail/static_assert.hpp>
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#include <boost/hana/integral.hpp>
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using namespace boost::hana;
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template <typename mcd>
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void test() {
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constexpr auto foldable = detail::minimal::foldable<mcd>;
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BOOST_HANA_STATIC_ASSERT(length(foldable()) == size_t<0>);
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BOOST_HANA_STATIC_ASSERT(length(foldable(1)) == size_t<1>);
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BOOST_HANA_STATIC_ASSERT(length(foldable(1, '2')) == size_t<2>);
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BOOST_HANA_STATIC_ASSERT(length(foldable(1, '2', 3.3)) == size_t<3>);
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BOOST_HANA_STATIC_ASSERT(length(foldable(1, '2', 3.3, 4.4f)) == size_t<4>);
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BOOST_HANA_STATIC_ASSERT(length(foldable(1, '2', 3.3, 4.4f, nullptr)) == size_t<5>);
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BOOST_HANA_STATIC_ASSERT(length(foldable()) == size_t<0>);
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BOOST_HANA_STATIC_ASSERT(length(foldable(int_<0>)) == size_t<1>);
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BOOST_HANA_STATIC_ASSERT(length(foldable(int_<0>, int_<1>)) == size_t<2>);
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BOOST_HANA_STATIC_ASSERT(length(foldable(int_<0>, int_<1>, int_<2>)) == size_t<3>);
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}
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int main() {
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test<Foldable::lazy_foldr_mcd>();
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}
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