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/string.hpp>
8#include <boost/hana/tuple.hpp>
9#include <boost/hana/unpack.hpp>
10namespace hana = boost::hana;
11
12
13constexpr auto vowels = hana::tuple_c<char, 'a', 'e', 'i', 'o', 'u', 'y'>;
14constexpr auto str = hana::unpack(vowels, hana::make<hana::string_tag>);
15BOOST_HANA_CONSTANT_CHECK(str == BOOST_HANA_STRING("aeiouy"));
16
17int main() { }
18

source code of boost/libs/hana/example/string/make.cpp