/* @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 using namespace boost::hana; int main() { //! [main] BOOST_HANA_CONSTEXPR_LAMBDA auto increment = [](auto x) { return x + 1; }; BOOST_HANA_CONSTEXPR_LAMBDA auto double_ = [](auto x) { return x * 2; }; BOOST_HANA_STATIC_ASSERT(compose(increment, double_)(3) == (3 * 2) + 1); //! [main] }