// Copyright Louis Dionne 2013-2017 // 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 namespace hana = boost::hana; int main() { static_assert( hana::fill(hana::make_tuple(1, '2', 3.3, nullptr), 'x') == hana::make_tuple('x', 'x', 'x', 'x') , ""); BOOST_HANA_CONSTANT_CHECK(hana::fill(hana::nothing, 'x') == hana::nothing); static_assert(hana::fill(hana::just('y'), 'x') == hana::just('x'), ""); }