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/back.hpp>
6#include <boost/hana/tuple.hpp>
7namespace hana = boost::hana;
8
9
10static_assert(hana::back(hana::make_tuple(1, '2', 3.3)) == 3.3, "");
11static_assert(hana::back(hana::make_tuple(1, '2', 3.3, nullptr)) == nullptr, "");
12
13int main() { }
14

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