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/equal.hpp>
6#include <boost/hana/lift.hpp>
7#include <boost/hana/optional.hpp>
8#include <boost/hana/tuple.hpp>
9namespace hana = boost::hana;
10
11
12static_assert(hana::lift<hana::tuple_tag>('x') == hana::make_tuple('x'), "");
13static_assert(hana::lift<hana::optional_tag>('x') == hana::just('x'), "");
14
15int main() { }
16

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