47 lines
1.3 KiB
C++
47 lines
1.3 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/concept/struct.hpp>
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#include <boost/hana/equal.hpp>
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#include <boost/hana/integral_constant.hpp>
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#include <boost/hana/keys.hpp>
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#include "minimal_struct.hpp"
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#include <laws/base.hpp>
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#include <support/seq.hpp>
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namespace hana = boost::hana;
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using hana::test::ct_eq;
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template <int i = 0>
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struct undefined { };
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int main() {
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::keys(obj()),
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::seq()
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::keys(obj(undefined<0>{})),
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::seq(hana::int_c<0>)
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::keys(obj(undefined<0>{}, undefined<1>{})),
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::seq(hana::int_c<0>, hana::int_c<1>)
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::keys(obj(undefined<0>{}, undefined<1>{}, undefined<2>{})),
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::seq(hana::int_c<0>, hana::int_c<1>, hana::int_c<2>)
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::keys(obj(undefined<0>{}, undefined<1>{}, undefined<2>{}, undefined<3>{})),
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::seq(hana::int_c<0>, hana::int_c<1>, hana::int_c<2>, hana::int_c<3>)
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));
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}
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