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