47 lines
1.4 KiB
C++
47 lines
1.4 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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#ifndef BOOST_HANA_TEST_LAWS_PRODUCT_HPP
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#define BOOST_HANA_TEST_LAWS_PRODUCT_HPP
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#include <boost/hana/assert.hpp>
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#include <boost/hana/concept/product.hpp>
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#include <boost/hana/core/make.hpp>
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#include <boost/hana/core/when.hpp>
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#include <boost/hana/equal.hpp>
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#include <boost/hana/first.hpp>
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#include <boost/hana/second.hpp>
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#include <laws/base.hpp>
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namespace boost { namespace hana { namespace test {
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template <typename P, typename = when<true>>
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struct TestProduct : TestProduct<P, laws> {
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using TestProduct<P, laws>::TestProduct;
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};
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template <typename P>
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struct TestProduct<P, laws> {
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template <typename Elements>
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TestProduct(Elements elements) {
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foreach2(elements, [](auto x, auto y) {
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static_assert(Product<decltype(hana::make<P>(x, y))>{}, "");
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BOOST_HANA_CHECK(hana::equal(
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hana::first(hana::make<P>(x, y)),
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x
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));
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BOOST_HANA_CHECK(hana::equal(
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hana::second(hana::make<P>(x, y)),
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y
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));
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});
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}
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};
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}}} // end namespace boost::hana::test
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#endif // !BOOST_HANA_TEST_LAWS_PRODUCT_HPP
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