// 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 #include #include #include namespace hana = boost::hana; using hana::_; constexpr auto f = hana::demux(hana::make_tuple)( _ + _, _ - _, _ * _, _ / _ ); static_assert( f(10, 4) == hana::make_tuple( 10 + 4, 10 - 4, 10 * 4, 10 / 4 ) , ""); int main() { }