1// Copyright Louis Dionne 2013-2022
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)
4
5#include <boost/hana/equal.hpp>
6#include <boost/hana/functional/demux.hpp>
7#include <boost/hana/functional/placeholder.hpp>
8#include <boost/hana/tuple.hpp>
9namespace hana = boost::hana;
10using hana::_;
11
12
13constexpr auto f = hana::demux(hana::make_tuple)(
14 _ + _,
15 _ - _,
16 _ * _,
17 _ / _
18);
19
20static_assert(
21 f(10, 4) == hana::make_tuple(
22 10 + 4,
23 10 - 4,
24 10 * 4,
25 10 / 4
26 )
27, "");
28
29
30int main() { }
31

source code of boost/libs/hana/example/functional/demux.cpp