mirror of https://gitee.com/bigwinds/arangodb
62 lines
1.7 KiB
C++
62 lines
1.7 KiB
C++
// Copyright Louis Dionne 2013-2016
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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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#include <boost/hana/detail/variadic/take.hpp>
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#include <boost/hana/assert.hpp>
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#include <laws/base.hpp>
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using namespace boost::hana;
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int main() {
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namespace vd = detail::variadic;
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using test::ct_eq;
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test::_injection<0> f{};
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{
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BOOST_HANA_CONSTANT_CHECK(equal(
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vd::take<0>()(f),
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f()
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));
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BOOST_HANA_CONSTANT_CHECK(equal(
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vd::take<0>(ct_eq<1>{})(f),
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f()
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));
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BOOST_HANA_CONSTANT_CHECK(equal(
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vd::take<0>(ct_eq<1>{}, ct_eq<2>{})(f),
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f()
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));
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}
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{
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BOOST_HANA_CONSTANT_CHECK(equal(
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vd::take<1>(ct_eq<1>{})(f),
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f(ct_eq<1>{})
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));
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BOOST_HANA_CONSTANT_CHECK(equal(
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vd::take<1>(ct_eq<1>{}, ct_eq<2>{})(f),
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f(ct_eq<1>{})
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));
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BOOST_HANA_CONSTANT_CHECK(equal(
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vd::take<1>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})(f),
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f(ct_eq<1>{})
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));
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}
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{
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BOOST_HANA_CONSTANT_CHECK(equal(
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vd::take<8>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{})(f),
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f(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{})
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));
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BOOST_HANA_CONSTANT_CHECK(equal(
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vd::take<8>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}, ct_eq<9>{})(f),
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f(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{})
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));
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}
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}
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