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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/greater.hpp>
- #include <boost/hana/integral_constant.hpp>
- #include <boost/hana/maximum.hpp>
- #include <boost/hana/tuple.hpp>
- namespace hana = boost::hana;
- int main() {
- // without a predicate
- BOOST_HANA_CONSTANT_CHECK(
- hana::maximum(hana::tuple_c<int, -1, 0, 2, -4, 6, 9>) == hana::int_c<9>
- );
- // with a predicate
- auto smallest = hana::maximum(hana::tuple_c<int, -1, 0, 2, -4, 6, 9>, [](auto x, auto y) {
- return x > y; // order is reversed!
- });
- BOOST_HANA_CONSTANT_CHECK(smallest == hana::int_c<-4>);
- }
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