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/equal.hpp> 6 #include <boost/hana/integral_constant.hpp> 7 #include <boost/hana/optional.hpp> 8 #include <boost/hana/replicate.hpp> 9 #include <boost/hana/tuple.hpp> 10 namespace hana = boost::hana; 11 12 13 static_assert(hana::replicate<hana::tuple_tag>('x', hana::size_c<2>) == hana::make_tuple('x', 'x'), ""); 14 15 // Of course, there can't be more than one element in an `optional`. 16 static_assert(hana::replicate<hana::optional_tag>('x', hana::size_c<2>) == hana::just('x'), ""); 17 main()18int main() { } 19