47 lines
1.2 KiB
C++
47 lines
1.2 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/front.hpp>
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#include <boost/hana/integral_constant.hpp>
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#include <boost/hana/tuple.hpp>
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#include <boost/hana/type.hpp>
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namespace hana = boost::hana;
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struct x0;
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struct x1;
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struct x2;
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int main() {
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// tuple_t
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::front(hana::tuple_t<x0>),
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hana::type_c<x0>
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::front(hana::tuple_t<x0, x1>),
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hana::type_c<x0>
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::front(hana::tuple_t<x0, x1, x2>),
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hana::type_c<x0>
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));
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// tuple_c
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::front(hana::tuple_c<int, 0>),
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hana::int_c<0>
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::front(hana::tuple_c<int, 0, 1>),
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hana::int_c<0>
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));
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BOOST_HANA_CONSTANT_CHECK(hana::equal(
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hana::front(hana::tuple_c<int, 0, 1, 2>),
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hana::int_c<0>
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));
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}
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