/* @copyright Louis Dionne 2014 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 #include #include using namespace boost::hana; int main() { //! [main] BOOST_HANA_CONSTEXPR_LAMBDA auto replicate3 = [](auto x) { return tuple(x, x, x); }; BOOST_HANA_CONSTEXPR_ASSERT( traverse(just(1), replicate3) == tuple(just(1), just(1), just(1)) ); BOOST_HANA_CONSTANT_ASSERT( traverse(nothing, replicate3) == tuple(nothing) ); //! [main] }