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- // Copyright Louis Dionne 2013-2017
- // 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/detail/variadic/split_at.hpp>
- #include <boost/hana/assert.hpp>
- #include <boost/hana/equal.hpp>
- #include <boost/hana/pair.hpp>
- #include <boost/hana/tuple.hpp>
- #include <laws/base.hpp>
- namespace hana = boost::hana;
- namespace vd = hana::detail::variadic;
- using hana::test::ct_eq;
- auto check = [](auto split, auto xs, auto ys) {
- auto result = split([](auto ...xs) {
- return [=](auto ...ys) {
- return hana::make_pair(hana::make_tuple(xs...), hana::make_tuple(ys...));
- };
- });
- BOOST_HANA_CONSTANT_CHECK(hana::equal(xs, hana::first(result)));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(ys, hana::second(result)));
- };
- int main() {
- {
- check(
- vd::split_at<0>(),
- hana::make_tuple(),
- hana::make_tuple()
- );
- check(
- vd::split_at<0>(ct_eq<1>{}),
- hana::make_tuple(),
- hana::make_tuple(ct_eq<1>{})
- );
- check(
- vd::split_at<0>(ct_eq<1>{}, ct_eq<2>{}),
- hana::make_tuple(),
- hana::make_tuple(ct_eq<1>{}, ct_eq<2>{})
- );
- check(
- vd::split_at<0>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}),
- hana::make_tuple(),
- hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})
- );
- }
- {
- check(
- vd::split_at<1>(ct_eq<1>{}),
- hana::make_tuple(ct_eq<1>{}),
- hana::make_tuple()
- );
- check(
- vd::split_at<1>(ct_eq<1>{}, ct_eq<2>{}),
- hana::make_tuple(ct_eq<1>{}),
- hana::make_tuple(ct_eq<2>{})
- );
- check(
- vd::split_at<1>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}),
- hana::make_tuple(ct_eq<1>{}),
- hana::make_tuple(ct_eq<2>{}, ct_eq<3>{})
- );
- check(
- vd::split_at<1>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}),
- hana::make_tuple(ct_eq<1>{}),
- hana::make_tuple(ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{})
- );
- }
- {
- check(
- vd::split_at<2>(ct_eq<1>{}, ct_eq<2>{}),
- hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}),
- hana::make_tuple()
- );
- check(
- vd::split_at<2>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}),
- hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}),
- hana::make_tuple(ct_eq<3>{})
- );
- check(
- vd::split_at<2>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}),
- hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}),
- hana::make_tuple(ct_eq<3>{}, ct_eq<4>{})
- );
- check(
- vd::split_at<2>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}),
- hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}),
- hana::make_tuple(ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{})
- );
- }
- {
- check(
- vd::split_at<7>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}),
- hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}),
- hana::make_tuple()
- );
- check(
- vd::split_at<7>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}),
- hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}),
- hana::make_tuple(ct_eq<8>{})
- );
- check(
- vd::split_at<7>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}, ct_eq<9>{}),
- hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}),
- hana::make_tuple(ct_eq<8>{}, ct_eq<9>{})
- );
- check(
- vd::split_at<7>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}, ct_eq<9>{}, ct_eq<10>{}),
- hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}),
- hana::make_tuple(ct_eq<8>{}, ct_eq<9>{}, ct_eq<10>{})
- );
- }
- {
- check(
- vd::split_at<8>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}),
- hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}),
- hana::make_tuple()
- );
- check(
- vd::split_at<8>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}, ct_eq<9>{}),
- hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}),
- hana::make_tuple(ct_eq<9>{})
- );
- check(
- vd::split_at<8>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}, ct_eq<9>{}, ct_eq<10>{}),
- hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}),
- hana::make_tuple(ct_eq<9>{}, ct_eq<10>{})
- );
- }
- {
- check(
- vd::split_at<9>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}, ct_eq<9>{}),
- hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}, ct_eq<9>{}),
- hana::make_tuple()
- );
- check(
- vd::split_at<9>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}, ct_eq<9>{}, ct_eq<10>{}),
- hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}, ct_eq<9>{}),
- hana::make_tuple(ct_eq<10>{})
- );
- check(
- vd::split_at<9>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}, ct_eq<9>{}, ct_eq<10>{}, ct_eq<11>{}),
- hana::make_tuple(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}, ct_eq<9>{}),
- hana::make_tuple(ct_eq<10>{}, ct_eq<11>{})
- );
- }
- }
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