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git.proxmox.com Git - ceph.git/blob - ceph/src/boost/libs/hana/example/tutorial/include_ext.cpp
1 // Copyright Louis Dionne 2013-2017
2 // Distributed under the Boost Software License, Version 1.0.
3 // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
6 #include <boost/hana/ext/std/tuple.hpp>
7 #include <boost/hana/front.hpp>
8 #include <tuple> // still required to create a tuple
9 namespace hana
= boost::hana
;
13 constexpr std::tuple
<int, char, float> xs
{1, '2', 3.0f
};
14 static_assert(hana::front(xs
) == 1, "");