/* * Copyright Louis Dionne 2014 * Distributed under the Boost Software License, Version 1.0. * (See accompanying file LICENSE.md or copy at * http://www.boost.org/LICENSE_1_0.txt) */ #include #include #include #include #include using namespace boost::hana; BOOST_HANA_CONSTEXPR_LAMBDA auto make_string = [](std::string str, auto x) { return str + boost::lexical_cast(x); }; int main() { assert(foldl(make_string, "1", list(2, "3", '4')) == "1234"); }