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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/ext/std/integral_constant.hpp>
- #include <boost/hana/integral_constant.hpp>
- #include <boost/hana/mod.hpp>
- #include <boost/hana/not_equal.hpp>
- #include <boost/hana/pair.hpp>
- #include <boost/hana/partition.hpp>
- #include <boost/hana/tuple.hpp>
- #include <boost/hana/type.hpp>
- #include <type_traits>
- namespace hana = boost::hana;
- BOOST_HANA_CONSTANT_CHECK(
- hana::partition(hana::tuple_c<int, 1, 2, 3, 4, 5, 6, 7>, [](auto x) {
- return x % hana::int_c<2> != hana::int_c<0>;
- })
- ==
- hana::make_pair(
- hana::tuple_c<int, 1, 3, 5, 7>,
- hana::tuple_c<int, 2, 4, 6>
- )
- );
- BOOST_HANA_CONSTANT_CHECK(
- hana::partition(hana::tuple_t<void, int, float, char, double>, hana::trait<std::is_floating_point>)
- ==
- hana::make_pair(
- hana::tuple_t<float, double>,
- hana::tuple_t<void, int, char>
- )
- );
- // partition.by is syntactic sugar
- BOOST_HANA_CONSTANT_CHECK(
- hana::partition.by(hana::trait<std::is_floating_point>,
- hana::tuple_t<void, int, float, char, double>)
- ==
- hana::make_pair(
- hana::tuple_t<float, double>,
- hana::tuple_t<void, int, char>
- )
- );
- int main() { }
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