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/integral_constant.hpp>
8#include <boost/hana/take_back.hpp>
9#include <boost/hana/tuple.hpp>
10namespace hana = boost::hana;
11
12
13BOOST_HANA_CONSTANT_CHECK(hana::take_back(hana::make_tuple(1, '2', 3.3), hana::size_c<0>) == hana::make_tuple());
14static_assert(hana::take_back(hana::make_tuple(1, '2', 3.3), hana::size_c<1>) == hana::make_tuple(3.3), "");
15static_assert(hana::take_back(hana::make_tuple(1, '2', 3.3), hana::size_c<2>) == hana::make_tuple('2', 3.3), "");
16static_assert(hana::take_back(hana::make_tuple(1, '2', 3.3), hana::size_c<3>) == hana::make_tuple(1, '2', 3.3), "");
17static_assert(hana::take_back(hana::make_tuple(1, '2', 3.3), hana::size_c<4>) == hana::make_tuple(1, '2', 3.3), "");
18
19int main() { }
20

source code of boost/libs/hana/example/take_back.cpp