34 lines
1.0 KiB
C++
34 lines
1.0 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/ext/std/integral_constant.hpp>
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#include <boost/hana/tuple.hpp>
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#include <boost/hana/value.hpp>
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#include <laws/constant.hpp>
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#include <type_traits>
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namespace hana = boost::hana;
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int main() {
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// value
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static_assert(hana::value(std::integral_constant<int, 0>{}) == 0, "");
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static_assert(hana::value(std::integral_constant<int, 1>{}) == 1, "");
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static_assert(hana::value(std::integral_constant<int, 3>{}) == 3, "");
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// laws
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hana::test::TestConstant<hana::ext::std::integral_constant_tag<int>>{
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hana::make_tuple(
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std::integral_constant<int, -10>{},
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std::integral_constant<int, -2>{},
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std::integral_constant<int, 0>{},
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std::integral_constant<int, 1>{},
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std::integral_constant<int, 3>{}
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),
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hana::tuple_t<int, long, long long>
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};
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}
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