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/at.hpp>
6#include <boost/hana/drop_front.hpp>
7#include <boost/hana/equal.hpp>
8#include <boost/hana/ext/std/array.hpp>
9
10#include <array>
11namespace hana = boost::hana;
12
13
14constexpr std::array<int, 5> a = {._M_elems: {0, 1, 2, 3, 4}};
15
16static_assert(hana::at_c<2>(xs: a) == 2, "");
17
18static_assert(hana::equal(hana::drop_front(a), std::array<int, 4>{._M_elems: {1, 2, 3, 4}}), "");
19
20int main() { }
21

source code of boost/libs/hana/example/ext/std/array/iterable.cpp