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28 lines
1.0 KiB
C++
28 lines
1.0 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
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* http://www.boost.org/LICENSE_1_0.txt)
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*/
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#include <boost/hana/list.hpp>
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#include <boost/hana/detail/constexpr.hpp>
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#include <boost/hana/detail/static_assert.hpp>
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using namespace boost::hana;
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template <int ...i>
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BOOST_HANA_CONSTEXPR_LAMBDA auto ilist = list_c<int, i...>;
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BOOST_HANA_CONSTEXPR_LAMBDA auto plus = [](auto x, auto y) { return x + y; };
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int main() {
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BOOST_HANA_STATIC_ASSERT(zip_with(plus, ilist<>, ilist<>) == ilist<>);
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BOOST_HANA_STATIC_ASSERT(zip_with(plus, ilist<1>, ilist<>) == ilist<>);
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BOOST_HANA_STATIC_ASSERT(zip_with(plus, ilist<>, ilist<3>) == ilist<>);
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BOOST_HANA_STATIC_ASSERT(zip_with(plus, ilist<1>, ilist<3>) == ilist<1 + 3>);
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BOOST_HANA_STATIC_ASSERT(zip_with(plus, ilist<1, 2>, ilist<3, 4>) == ilist<1 + 3, 2 + 4>);
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BOOST_HANA_STATIC_ASSERT(zip_with(plus, ilist<1, 2, 3, 4>, ilist<5, 6, 7>) == ilist<1 + 5, 2 + 6, 3 + 7>);
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}
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