ceph/src/boost/libs/hana/example/string/make.cpp

   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
  17 int main() { }