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/assert.hpp>
6#include <boost/hana/equal.hpp>
7#include <boost/hana/experimental/view.hpp>
8#include <boost/hana/unpack.hpp>
9
10#include <laws/base.hpp>
11namespace hana = boost::hana;
12
13
14int main() {
15 auto f = hana::test::_injection<0>{};
16
17 {
18 auto empty = hana::experimental::empty_view();
19 BOOST_HANA_CONSTANT_CHECK(hana::equal(
20 hana::unpack(empty, f),
21 f()
22 ));
23 }
24}
25

source code of boost/libs/hana/test/experimental/view/empty/unpack.cpp