1 // Copyright Louis Dionne 2013-2017 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> 10 namespace hana = boost::hana; 11 12 13 constexpr auto vowels = hana::tuple_c<char, 'a', 'e', 'i', 'o', 'u', 'y'>; 14 constexpr auto str = hana::unpack(vowels, hana::make<hana::string_tag>); 15 BOOST_HANA_CONSTANT_CHECK(str == BOOST_HANA_STRING("aeiouy")); 16 main()17int main() { } 18