// 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 #include #include namespace hana = boost::hana; using hana::test::ct_eq; struct undefined { }; int main() { // Make sure we do not evaluate the function unless required auto storage = ::seq(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}); auto transformed = hana::experimental::transformed(storage, undefined{}); (void)transformed; }