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/assert.hpp> 6 #include <boost/hana/equal.hpp> 7 #include <boost/hana/experimental/view.hpp> 8 #include <boost/hana/integral_constant.hpp> 9 #include <boost/hana/length.hpp> 10 namespace hana = boost::hana; 11 12 main()13int main() { 14 { 15 auto empty = hana::experimental::empty_view(); 16 BOOST_HANA_CONSTANT_CHECK(hana::equal( 17 hana::length(empty), 18 hana::size_c<0> 19 )); 20 } 21 } 22