/* @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() { { //! [ap] BOOST_HANA_CONSTEXPR_CHECK( ap(tuple(_+_), tuple(1, 2), tuple(3, 4, 5)) == tuple( 1 + 3, 1 + 4, 1 + 5, 2 + 3, 2 + 4, 2 + 5 ) ); BOOST_HANA_CONSTEXPR_LAMBDA auto g = [](auto a, auto b, auto c) { return a * b * c; }; BOOST_HANA_CONSTEXPR_CHECK( ap(just(g), just(1), just(2), just(3)) == just(1 * 2 * 3) ); BOOST_HANA_CONSTANT_CHECK( ap(just(g), just(1), nothing, just(3)) == nothing ); //! [ap] }{ //! [lift] BOOST_HANA_CONSTEXPR_CHECK(lift('x') == tuple('x')); BOOST_HANA_CONSTEXPR_CHECK(lift('x') == just('x')); //! [lift] } }