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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/assert.hpp>
- #include <boost/hana/equal.hpp>
- #include <boost/hana/erase_key.hpp>
- #include <boost/hana/set.hpp>
- #include <laws/base.hpp>
- namespace hana = boost::hana;
- using hana::test::ct_eq;
- struct undefined { };
- int main() {
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::erase_key(hana::make_set(), undefined{}),
- hana::make_set()
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::erase_key(hana::make_set(ct_eq<0>{}), ct_eq<0>{}),
- hana::make_set()
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::erase_key(hana::make_set(ct_eq<0>{}), ct_eq<99>{}),
- hana::make_set(ct_eq<0>{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::erase_key(hana::make_set(ct_eq<0>{}, ct_eq<1>{}), ct_eq<0>{}),
- hana::make_set(ct_eq<1>{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::erase_key(hana::make_set(ct_eq<0>{}, ct_eq<1>{}), ct_eq<1>{}),
- hana::make_set(ct_eq<0>{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::erase_key(hana::make_set(ct_eq<0>{}, ct_eq<1>{}), ct_eq<99>{}),
- hana::make_set(ct_eq<0>{}, ct_eq<1>{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::erase_key(hana::make_set(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), ct_eq<0>{}),
- hana::make_set(ct_eq<1>{}, ct_eq<2>{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::erase_key(hana::make_set(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), ct_eq<1>{}),
- hana::make_set(ct_eq<0>{}, ct_eq<2>{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::erase_key(hana::make_set(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), ct_eq<2>{}),
- hana::make_set(ct_eq<0>{}, ct_eq<1>{})
- ));
- BOOST_HANA_CONSTANT_CHECK(hana::equal(
- hana::erase_key(hana::make_set(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}), ct_eq<99>{}),
- hana::make_set(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})
- ));
- }
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