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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/take.hpp>
- #include <boost/hana/assert.hpp>
- #include <boost/hana/equal.hpp>
- #include <laws/base.hpp>
- namespace hana = boost::hana;
- namespace vd = hana::detail::variadic;
- using hana::test::ct_eq;
- int main() {
- hana::test::_injection<0> f{};
- {
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- vd::take<0>()(f),
- f()
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- vd::take<0>(ct_eq<1>{})(f),
- f()
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- vd::take<0>(ct_eq<1>{}, ct_eq<2>{})(f),
- f()
- ));
- }
- {
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- vd::take<1>(ct_eq<1>{})(f),
- f(ct_eq<1>{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- vd::take<1>(ct_eq<1>{}, ct_eq<2>{})(f),
- f(ct_eq<1>{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- vd::take<1>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})(f),
- f(ct_eq<1>{})
- ));
- }
- {
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- vd::take<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>{})(f),
- f(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- vd::take<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>{})(f),
- f(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{})
- ));
- }
- }
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