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>
11#include <support/seq.hpp>
12namespace hana = boost::hana;
13using hana::test::ct_eq;
14
15
16int main() {
17 auto f = hana::test::_injection<0>{};
18 auto g = hana::test::_injection<1>{};
19 auto check = [=](auto ...x) {
20 auto storage = ::seq(x...);
21 auto transformed = hana::experimental::transformed(storage, f);
22
23 BOOST_HANA_CONSTANT_CHECK(hana::equal(
24 hana::unpack(transformed, g),
25 g(f(x)...)
26 ));
27 };
28
29 check();
30 check(ct_eq<0>{});
31 check(ct_eq<0>{}, ct_eq<1>{});
32 check(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{});
33 check(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{});
34}
35

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