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/integral_constant.hpp> 7 #include <boost/hana/repeat.hpp> 8 9 #include <string> 10 namespace hana = boost::hana; 11 12 main()13 int main() { 14 std::string s; 15 for (char letter = 'a'; letter <= 'g'; ++letter) 16 hana::repeat(hana::int_c<3>, [&] { s += letter; }); 17 18 BOOST_HANA_RUNTIME_CHECK(s == "aaabbbcccdddeeefffggg"); 19 } 20