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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)
5 #include <boost/hana/functional/arg.hpp>
6 namespace hana
= boost::hana
;
9 // hana::arg<0>(1, '2', 3.3); // static assertion (regardless of the number of arguments)
10 static_assert(hana::arg
<1>(1, '2', 3.3) == 1, "");
11 static_assert(hana::arg
<2>(1, '2', 3.3) == '2', "");
12 static_assert(hana::arg
<3>(1, '2', 3.3) == 3.3, "");
13 // hana::arg<4>(1, '2', 3.3); // static assertion