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/all_of.hpp> 6 #include <boost/hana/assert.hpp> 7 #include <boost/hana/equal.hpp> 8 #include <boost/hana/find_if.hpp> 9 #include <boost/hana/integral_constant.hpp> 10 #include <boost/hana/mod.hpp> 11 #include <boost/hana/not_equal.hpp> 12 #include <boost/hana/optional.hpp> 13 namespace hana = boost::hana; 14 15 __anon34713add0102(auto x) 16auto odd = [](auto x) { 17 return x % hana::int_c<2> != hana::int_c<0>; 18 }; 19 20 BOOST_HANA_CONSTANT_CHECK(hana::find_if(hana::just(hana::int_c<3>), odd) == hana::just(hana::int_c<3>)); 21 BOOST_HANA_CONSTANT_CHECK(hana::find_if(hana::just(hana::int_c<2>), odd) == hana::nothing); 22 BOOST_HANA_CONSTANT_CHECK(hana::find_if(hana::nothing, odd) == hana::nothing); 23 24 BOOST_HANA_CONSTANT_CHECK(hana::all_of(hana::just(hana::int_c<3>), odd)); 25 BOOST_HANA_CONSTANT_CHECK(hana::all_of(hana::nothing, odd)); 26 main()27int main() { } 28