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/config.hpp> 7 #include <boost/hana/string.hpp> 8 9 #include <type_traits> 10 namespace hana = boost::hana; 11 12 main()13int main() { 14 // Check the _s user-defined literal 15 #ifdef BOOST_HANA_CONFIG_ENABLE_STRING_UDL 16 17 using namespace hana::literals; 18 19 constexpr auto s1 = "abcd"_s; 20 constexpr auto s2 = hana::string_c<'a', 'b', 'c', 'd'>; 21 22 static_assert(std::is_same<decltype(s1), decltype(s2)>::value, ""); 23 #endif 24 } 25