56 lines
1.9 KiB
C++
56 lines
1.9 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/tuple.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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#include <laws/comparable.hpp>
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#include <laws/foldable.hpp>
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#include <laws/orderable.hpp>
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#include <laws/product.hpp>
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#include <support/minimal_product.hpp>
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#include <support/tracked.hpp>
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#include <utility>
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namespace hana = boost::hana;
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using hana::test::ct_eq;
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using hana::test::ct_ord;
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int main() {
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// Make sure `first` and `second` are "accessors". If they are not,
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// `Tracked` should report a double-move.
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{
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auto prod = ::minimal_product(::Tracked{1}, ::Tracked{2});
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auto fst = hana::first(std::move(prod));
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auto snd = hana::second(std::move(prod));
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}
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//////////////////////////////////////////////////////////////////////////
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// Comparable, Orderable, Foldable, Product
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//////////////////////////////////////////////////////////////////////////
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auto eq_elems = hana::make_tuple(ct_eq<3>{}, ct_eq<4>{});
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auto eqs = hana::make_tuple(
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::minimal_product(ct_eq<3>{}, ct_eq<3>{})
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, ::minimal_product(ct_eq<3>{}, ct_eq<4>{})
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, ::minimal_product(ct_eq<4>{}, ct_eq<3>{})
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, ::minimal_product(ct_eq<4>{}, ct_eq<4>{})
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);
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auto ords = hana::make_tuple(
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::minimal_product(ct_ord<3>{}, ct_ord<3>{})
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, ::minimal_product(ct_ord<3>{}, ct_ord<4>{})
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, ::minimal_product(ct_ord<4>{}, ct_ord<3>{})
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, ::minimal_product(ct_ord<4>{}, ct_ord<4>{})
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);
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hana::test::TestComparable<::MinimalProduct>{eqs};
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hana::test::TestOrderable<::MinimalProduct>{ords};
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hana::test::TestFoldable<::MinimalProduct>{eqs};
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hana::test::TestProduct<::MinimalProduct>{eq_elems};
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}
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