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// Copyright Louis Dionne 2013-2022
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
#include <boost/hana/assert.hpp>
#include <boost/hana/contains.hpp>
#include <boost/hana/core/to.hpp>
#include <boost/hana/equal.hpp>
#include <boost/hana/permutations.hpp>
#include <boost/hana/set.hpp>
#include <laws/base.hpp>
#include <support/seq.hpp>
namespace hana = boost::hana;
using hana::test::ct_eq;
int main() {
auto sequence = ::seq;
auto foldable = ::seq;
using S = ::Seq;
// Set -> Sequence
{
auto check = [=](auto ...xs) {
BOOST_HANA_CONSTANT_CHECK(hana::contains(
hana::permutations(sequence(xs...)),
hana::to<S>(hana::make_set(xs...))
));
};
check();
check(ct_eq<1>{});
check(ct_eq<1>{}, ct_eq<2>{});
check(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{});
check(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{});
}
// Foldable -> Set
{
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::to<hana::set_tag>(foldable()),
hana::make_set()
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::to<hana::set_tag>(foldable(ct_eq<1>{})),
hana::make_set(ct_eq<1>{})
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::to<hana::set_tag>(foldable(ct_eq<1>{}, ct_eq<1>{})),
hana::make_set(ct_eq<1>{})
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::to<hana::set_tag>(foldable(ct_eq<1>{}, ct_eq<2>{})),
hana::make_set(ct_eq<1>{}, ct_eq<2>{})
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::to<hana::set_tag>(foldable(ct_eq<1>{}, ct_eq<2>{}, ct_eq<1>{})),
hana::make_set(ct_eq<1>{}, ct_eq<2>{})
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::to<hana::set_tag>(foldable(ct_eq<1>{}, ct_eq<2>{}, ct_eq<2>{})),
hana::make_set(ct_eq<1>{}, ct_eq<2>{})
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::to<hana::set_tag>(foldable(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})),
hana::make_set(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::to<hana::set_tag>(foldable(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<2>{}, ct_eq<1>{})),
hana::make_set(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})
));
}
// to_set == to<set_tag>
{
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::to_set(foldable(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<2>{}, ct_eq<1>{})),
hana::to<hana::set_tag>(foldable(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<2>{}, ct_eq<1>{}))
));
}
}
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