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/eval.hpp> 6 #include <boost/hana/functional/placeholder.hpp> 7 #include <boost/hana/lazy.hpp> 8 namespace hana = boost::hana; 9 10 11 static_assert(hana::eval(hana::make_lazy(hana::_ + 1)(3)) == 4, ""); 12 main()13int main() { } 14