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/fill.hpp> 8 #include <boost/hana/optional.hpp> 9 #include <boost/hana/tuple.hpp> 10 namespace hana = boost::hana; 11 12 main()13 int main() { 14 static_assert( 15 hana::fill(hana::make_tuple(1, '2', 3.3, nullptr), 'x') 16 == 17 hana::make_tuple('x', 'x', 'x', 'x') 18 , ""); 19 20 BOOST_HANA_CONSTANT_CHECK(hana::fill(hana::nothing, 'x') == hana::nothing); 21 static_assert(hana::fill(hana::just('y'), 'x') == hana::just('x'), ""); 22 } 23