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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/equal.hpp>
- #include <boost/hana/length.hpp>
- #include <boost/hana/maximum.hpp>
- #include <boost/hana/ordering.hpp>
- #include <boost/hana/tuple.hpp>
- namespace hana = boost::hana;
- int main() {
- static_assert(
- hana::maximum.by(hana::ordering(hana::length), hana::make_tuple(
- hana::make_tuple(),
- hana::make_tuple(1, '2'),
- hana::make_tuple(3.3, nullptr, 4)
- ))
- == hana::make_tuple(3.3, nullptr, 4)
- , "");
- }
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