48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
// Copyright Louis Dionne 2013-2017
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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/assert.hpp>
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#include <boost/hana/equal.hpp>
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#include <boost/hana/ext/std/integer_sequence.hpp>
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#include <boost/hana/ext/std/integral_constant.hpp>
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#include <boost/hana/unpack.hpp>
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#include <laws/base.hpp>
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#include <type_traits>
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#include <utility>
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namespace hana = boost::hana;
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int main() {
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hana::test::_injection<0> f{};
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::unpack(std::integer_sequence<int>{}, f),
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f()
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::unpack(std::integer_sequence<int, 0>{}, f),
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f(std::integral_constant<int, 0>{})
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::unpack(std::integer_sequence<int, 0, 1>{}, f),
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f(std::integral_constant<int, 0>{}, std::integral_constant<int, 1>{})
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::unpack(std::integer_sequence<int, 0, 1, 2>{}, f),
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f(std::integral_constant<int, 0>{}, std::integral_constant<int, 1>{},
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std::integral_constant<int, 2>{})
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::unpack(std::integer_sequence<int, 0, 1, 2, 3>{}, f),
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f(std::integral_constant<int, 0>{}, std::integral_constant<int, 1>{},
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std::integral_constant<int, 2>{}, std::integral_constant<int, 3>{})
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));
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}
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