hana/example/repeat.cpp
2017-01-07 14:14:18 -08:00

20 lines
550 B
C++

// Copyright Louis Dionne 2013-2017
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
#include <boost/hana/assert.hpp>
#include <boost/hana/integral_constant.hpp>
#include <boost/hana/repeat.hpp>
#include <string>
namespace hana = boost::hana;
int main() {
std::string s;
for (char letter = 'a'; letter <= 'g'; ++letter)
hana::repeat(hana::int_c<3>, [&] { s += letter; });
BOOST_HANA_RUNTIME_CHECK(s == "aaabbbcccdddeeefffggg");
}