// 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 namespace hana = boost::hana; template struct method_impl : hana::default_ { }; template <> struct method_impl { }; static_assert(hana::is_default>{}, ""); static_assert(!hana::is_default>{}, ""); int main() { }